Guide to the Groundwater Data Collection:

Guide to the Groundwater Data Collection

Prepared by Patricia J. Rettig

Colorado State University Water Resources Archive Morgan Library, Fort Collins, Colorado 80523-1019 USA

A joint effort of the University Libraries and the Colorado Water Institute

Copyright 2004; 2005 Colorado State University. All rights reserved.

Finding aid encoded in EAD Version 2002 by Patricia J. Rettig, 2004.

Collection Summary

Restrictions

Index Terms

History

Scope and Contents

Arrangement

Administrative Information

Related Material

Series Descriptions

Inventory


Collection Summary
	Title:	Groundwater Data Collection
	Dates:	1897-1980
	Bulk Dates:	1940-1979
	Quantity:	27.5+ linear feet
	Identification:	WGDC
	Abstract:	Colorado State University's strength in groundwater research evolved naturally from the state's early residents needing information on irrigated agriculture. The data, maps, charts, drafts, correspondence, photographs, final reports and reference materials that were produced by or collected for these groundwater studies over the years are what comprise the Groundwater Data Collection. Materials relate to the groundwater studies that CSU researchers conducted primarily in eastern Colorado (the South Platte basin, High Plains and Arkansas Valley) as well as the San Luis Valley in southern Colorado. Subjects of particular focus are artificial recharge, observation wells and irrigation pumping.
	Contact Information:	Water Resources Archive Archives and Special Collections Morgan Library Colorado State University Fort Collins, Colorado 80523-1019 USA Phone: 970-491-1844 Fax: 970-491-1195 Email: Archives and Special Collections URL: http://lib.colostate.edu/archives/water/

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Restrictions

Restrictions on Access

There are no access restrictions on this collection. However, some items are stored off-site, so advanced notice is recommended.

Restrictions on Use

Not all of the material in the collection is in the public domain. Researchers are responsible for addressing copyright issues.

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Index Terms
	This collection is indexed under the following headings in the Colorado State University Libraries online catalog. Researchers seeking materials about related subjects, persons, organizations or places should search the catalog using these headings.
	Subjects:
		Groundwater--Colorado.
		Wells--Colorado.
		Water levels--Colorado.
		Artificial recharge of groundwater--Colorado.
		Irrigation pumps--Colorado.
	Persons:
		Code, W. E. (William E.), b. 1891
		Bittinger, Morton W.
		Duke, Harold R. (Harold Ray), 1940-
		Glover, Robert E. (Robert Ellsworth), 1896-
		Longenbaugh, R. A. (Robert A.)
		Skinner, Morris M.
		Sunada, Daniel K.
	Organizations:
		Colorado State University. College of Engineering.
		Colorado Agricultural Experiment Station.
	Places:
		South Platte River Watershed (Colo. and Neb.)
		High Plains (U.S.)
		San Luis Valley (Colo. and N.M.)
		Arkansas River Watershed.
	Special Document Types:
		Slides (photographs).
		Photographs.
		Negatives.
		Maps.
		Charts (graphic documents).
		Microfilms.
		Motion pictures (visual works).

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History

Colorado State University's strength in groundwater research evolved naturally from the state's early residents needing information about irrigated agriculture. Not long after irrigation engineering was established as a distinct course of study at the State Agricultural College (now CSU) in 1889, Louis G. Carpenter, the professor who taught the course, conducted research which led to Agricultural Experiment Station bulletin number 33, Seepage or Return Waters From Irrigation (1896), which was the first of the bulletins to concentrate on water flow below ground. Bulletin 180, Seepage and Return Waters (1911), also by Carpenter, furthered this research, as did several other publications, including bulletin 279, Return of Seepage Water to the Lower South Platte River in Colorado (1922) by Ralph L. Parshall.

In 1929, a program was initiated by the Colorado Agricultural Experiment Station "to determine changes in the water table in certain areas in Colorado where pumping for irrigation was important" (W. E. Code, Water Table Fluctuations in Eastern Colorado. Bulletin 500-S, p. 1). In the 1940s, studies were initiated in the South Platte Valley and Prospect Valley. Agreements between the U.S. Geological Survey and the state enabled more funding to flow to the Colorado State College of Agriculture and Mechanic Arts (again, an earlier name for CSU) for groundwater studies. The studies primarily related to artificial recharge, observation wells and irrigation pumping.

The data, maps, charts, drafts, correspondence, photographs, final reports and reference materials that were produced by or collected for these groundwater studies over the years are what comprise the Groundwater Data Collection. CSU engineering faculty and staff contributing to the studies represented in this collection include Morton W. Bittinger, John Brookman, William E. Code, Harold R. Duke, Robert E. Glover, Robert A. Longenbaugh, Edmund Schulz, Morris M. Skinner and Daniel K. Sunada.

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Scope and Contents

The Groundwater Data Collection consists of documents dated 1897-1980, with the bulk concentrated from the 1940s through the 1970s. The materials were amassed over the years by various people in a room at Colorado State University's Engineering Research Center. Materials relate to the groundwater studies that CSU researchers conducted primarily in eastern Colorado (the South Platte basin, High Plains and Arkansas Valley) as well as the San Luis Valley in southern Colorado. Subjects of particular focus are artificial recharge, observation wells and irrigation pumping. Predominant material types include data, reports, correspondence, charts, maps, photographs, slides, clippings, films and microfilm.

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Arrangement

The materials in the collection were roughly grouped by project or material type, which were easily made into series. Further rearrangement was minimal, with the exception of subseries creation for greater clarity.

The collection consists of ten series in 21 boxes, four flat drawers and six tubes:



		Series I: Observation well data, 1928-1980
		Subseries A: Field copies, 1936-1976 Subseries B: Office copies, 1928-1975 Subseries C: Recorder data, 1953-1980 Subseries D: Data files, 1929-1975 Subseries E: Miscellaneous files, 1955-1975 Subseries F: Publications, 1958-1974 Subseries G: Oversize, 1959-1967
		Series II: Power consumption by irrigation pumps, 1939-1979
		Series III: Field books of W. E. Code, 1917-1962
		Series IV: Arkansas Valley, 1899-1966
		Subseries A: Files, 1899-1966 Subseries B: Oversize, 1925-1966
		Series V: High Plains, 1959-1980
		Subseries A: Files, 1959-1980 Subseries B: Oversize, 1961-1967
		Series VI: San Luis Valley, 1897-1980
		Subseries A: Files, 1951-1980 Subseries B: Oversize, 1897-1949
		Series VII: South Platte Valley, 1929-1978
		Subseries A: South Platte miscellaneous, 1929-1971 Subseries B: Kiowa Creek and Kiowa/Bijou, 1959-1965 Subseries C: Prospect Valley, 1945-1968 Subseries D: South Platte Ditch, 1959-1978 Subseries E: Oversize, 1942-1969
		Series VIII: Miscellaneous, 1929-1977
		Subseries A: Files, 1929-1977 Subseries B: Oversize, 1947-1957
		Series IX: Printed materials, 1912-1979
		Subseries A: Groundwater, 1936-1974 Subseries B: Surface water, 1923-1966 Subseries C: Wells and pumps, 1948-1976 Subseries D: Clippings, 1912-1979
		Series X: Visual materials, 1931-1979
		Subseries A: Slides, 1941-1979 Subseries B: Photographs and negatives, 1931-1979 Subseries C: Films and microfilm, 1945-1965

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Administrative Information

Preferred Citation

Groundwater Data Collection, Water Resources Archive, Colorado State University.

Acquisition

The Groundwater Data Collection was picked up by Water Resources Archive staff in June 2002 from the Engineering Resource Center on CSU's Foothills Campus, where the collection had been created and stored. A deed of gift was signed in August 2003 by Robert Ward, Director of the Colorado Water Resources Research Institute, and Robert Longenbaugh, Consultant Water Engineer and one of the collection creators, on behalf of the CSU engineering faculty.

Appraisal

The main appraisal criterion was that materials had to relate to CSU groundwater studies in order to be retained. Books and federal or state government publications not of a unique or rare nature were not retained. These items went through the normal library selection process to be added to the main stacks as appropriate. Duplicates of reports were not retained past a second copy. Printing negatives were discarded, as were most full-size versions of maps that had been reduced for publications. A bibliography of groundwater publications compiled on index cards and several printouts of computer programs were not retained.

Processing

The processing of the collection was completed in February 2004. Materials were removed from three-ring binders, envelopes and existing folders and inserted in acid-free folders. The majority of metal fasteners were removed and replaced with plastic clips as needed. Rubber bands and self-stick notes were removed. Newspaper clippings were inserted between sheets of acid-free paper. Loose photographs, negatives and slides were separated to the last series and inserted in archival sleeves, envelopes or folders. Existing slide sleeves were replaced with archival ones. The rolled oversized items were unrolled and stored flat if possible; otherwise they were stored in large tubes. Films remain in their original containers. Two items, one from the Parshall Collection, were added in March 2005.

Online Materials

Some data, reports, slides and other materials have been scanned and are available through the Colorado State University Libraries website. In the electronic version of this document, direct links appear in context.

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Related Material

Related collections in the Water Resources Archive include the Papers of Morton W. Bittinger and the Papers of Robert E. Glover, two of the researchers represented in the Groundwater Data Collection. Also related are the Papers of Daryl B. Simons, who served as the associate dean for engineering research (among other positions) at CSU, and the Records of the Colorado Water Resources Research Institute, which funded some of the groundwater studies.

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Series Descriptions

Series I: Observation well data, 1928-1980 (7.5+ linear feet)

The study of groundwater in Colorado through the use of an observation well network was a long term project for the State Agricultural College of Colorado (now CSU) and its Agricultural Experiment Station. The program began in the late 1920s and focused on areas where pumping for irrigation was important. The data found here is primarily from the 1960s and 1970s. The materials are arranged in seven subseries, primarily by type.

Subseries A: Field copies, 1936-1976

This subseries consists of the data collection sheets which were taken to the field to record the water level measurements at the observation wells, typically in the spring and fall of each year from about 1962 to 1975. Many of the sheets have a small photo of the well site stapled to them. Some files also contain sheets of data collected by the USGS. In addition, there are occasionally county highway maps and data charts included. The files are arranged alphabetically by Colorado county or other geographic area.

Subseries B: Office copies, 1928-1975

This subseries contains data transcribed from the field copies in the previous subseries. The information is essentially the same, though written neater and on cleaner sheets. Photos are also attached as above. Besides the main data files there are also "dead" files, being the data sheets for destroyed wells. Files are arranged alphabetically by Colorado county.

Subseries C: Recorder data, 1953-1980

This subseries consists mainly of charts from recorder wells. Also included are a few memos and maps. The files are arranged alphabetically.

Subseries D: Data files, 1929-1975

The majority of this subseries is either well data collected by the USGS or data compiled for water-level reports from other sources in this series. The files are arranged chronologically.

Subseries E: Miscellaneous files, 1955-1975

This subseries contains some administrative files related to the observation well project as well as other miscellaneous files. Of note is a small box of file cards reflecting land owner permission to use their wells as observation wells. The files are arranged in alphabetical order.

Subseries F: Publications, 1958-1974

This subseries consists of publications that emerged as a result of the observation well data, including textual reports and maps. Also included are a few publications on the same topic, but not resulting from the project. Files are alphabetical by publication title.

Subseries G: Oversize, 1959-1967

The oversize materials consist of well data compilations, two versions of a chart labeled "Depth to ground-water level below land surface datum," and groundwater hydrographs. The materials are in no particular order.

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Series II: Power consumption by irrigation pumps, 1939-1979 (3 linear feet)

Data was collected on the amount of power consumed by irrigation pumps from 1957 through 1978. Much of the data is represented here, as are annual summaries. Material types include reports, data, maps, charts, and correspondence. Files are arranged alphabetically.

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Series III: Field books of W. E. Code, 1917-1962 (1.75 linear feet)

William E. Code (1891-1971) worked for the Agricultural Experiment Station as an irrigation engineer from 1928 until his retirement in 1958. The field books he created during his investigations comprise this series and represent a wealth of original data related to groundwater, irrigation and pumps. The books are arranged alphabetically by title, with volumes by the same title arranged numerically or chronologically.

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Series IV: Arkansas Valley, 1899-1966 (0.75+ linear feet)

This series primarily documents the La Junta-Las Animas study conducted at CSU in the 1960s. The study focused in particular on groundwater/surface water interaction. The materials are arranged in two subseries.

Subseries A: Files, 1899-1966

Much of the material here relates to the La Junta-Las Animas study, including groundwater modeling data (1962-1965 study), or to the "Report of field work in the Arkansas Valley in 1914" written by farmer and U.S. Department of Agriculture irrigation engineer R. G. Hemphill. Material types include data, forms, reports and maps. Materials are in alphabetical order by folder title.

Subseries B: Oversize, 1925-1966

The maps, charts, drawings and hydrographs in this subseries generally relate to the La Junta-Las Animas study. Often there are USGS maps with annotations by the researchers. There are a few Bureau of Reclamation maps related to the Fryingpan-Arkansas project. The items are in no particular order other than separated by size for storage purposes.

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Series V: High Plains, 1959-1980 (1.5+ linear feet)

The materials in this series primarily relate to the artificial groundwater recharge studies in the High Plains of Colorado. The principal study represented here was conducted on the Arikaree River near Cope, Colorado. Robert Longenbaugh was the principal investigator on the project, which began in 1964 with state funding to the Colorado Ground Water Commission, which subcontracted with CSU. The goal was to study the feasibility of recharging excess or flood waters to an unconfined aquifer. Longenbaugh was also principal investigator on an earlier study (1963) on playa lakes in eastern Colorado as well as a participant in a later study (1974) in the Frenchman watershed. Other studies found here relate to irrigation pump efficiency tests and pumping costs. The materials are arranged in two subseries.

Subseries A: Files, 1959-1980

The majority of the files here relate to the Cope recharge project, with the other projects represented in lesser quantities, including the electric analog model of the High Plains by Glover and Bittinger. As files came from more than one person, there may be duplication between files. Materials are arranged alphabetically by folder title. Material types include correspondence, memoranda, recorder charts, data, reports, maps and notes.

Subseries B: Oversize, 1961-1967

Five of the 22 maps in this subseries relate to the study on playa lakes. The others relate to the Cope recharge project or to observation wells. Additionally, two maps relate to the southern High Plains region. The maps are in no particular order other than separated by size for storage purposes.

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Series VI: San Luis Valley, 1897-1980 and undated (0.75+ linear feet)

CSU civil engineers began investigating artificial recharge in the San Luis Valley after the Rio Grande Water Conservation District expressed interest in 1978 and formed a committee representing several institutions. The materials in this series primarily relate to this study, and to some other issues in the valley as well. They are arranged in two subseries.

Subseries A: Files, 1951-1980

The majority of the files in this subseries relate to the San Luis Valley Ad Hoc Committee and its study of artificial recharge. Materials are arranged alphabetically by folder title, with committee files first, and files with well recorder charts (having roman numerals with two exceptions) at the end. Rolls of recorder charts are housed separately in a document box. Besides charts, material types include correspondence, memoranda, maps, data, proposals and reports.

Subseries B: Oversize, 1897-1949 and undated

This subseries includes early maps of the San Luis Valley as well as maps specifically from the study related to sump drains. There are also a number of drawings related to a phreatophyte study. The items are in no particular order other than separated by size for storage purposes.

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Series VII: South Platte Valley, 1929-1978 and undated (3.75+ linear feet)

The CSU researchers did extensive groundwater studies in the South Platte Valley, especially in relation to Kiowa and Bijou creeks and the subjects of natural and artificial recharge. These studies are documented in the following five subseries.

Subseries A: South Platte miscellaneous, 1929-1971 and undated

This subseries consists of materials related to the South Platte in general, or to projects outside of the ones that follow. A study on the Rocky Mountain Arsenal is well documented here. Much of the data also relates to the Fort Lupton-Henderson study. Material types include data, reports, maps and correspondence. Materials are arranged alphabetically by folder title.

Subseries B: Kiowa Creek and Kiowa/Bijou, 1959-1965 and undated

There are two projects represented in this subseries, with very close relation. The Kiowa Creek natural recharge study (Colorado Agricultural Experiment Station projects 110 and 112) was conducted by Bittinger, Schulz and Longenbaugh from 1960 to 1964. Following from that, a study related to making the Kiowa/Bijou basins designated groundwater areas was conducted by Longenbaugh and Duke from 1965 to 1967. The majority of the material here is well data from the study area. Other material types include reports, maps and correspondence. Materials are arranged alphabetically by folder title with the exception of the files of well data at the end.

Subseries C: Prospect Valley, 1945-1968

The study of artificial groundwater recharge in Prospect Valley (Colorado Agricultural Experiment Station projects 105 and 112) was conducted in the early 1960s by Skinner. Olds Reservoir was the particular site studied. Material types include reports, data and maps. Materials are arranged alphabetically by folder title.

Subseries D: South Platte Ditch, 1959-1978

The South Platte Ditch (also referred to as South Platte Canal) recharge demonstration project was conducted by Longenbaugh from 1974 to 1977. The study area focused on the Sand Hill Lateral, near Merino, Colorado. Material types include data, notes, articles, reports, correspondence, charts and drawings. Materials are arranged alphabetically by folder title with the exception of recorder charts at the end.

Subseries E: Oversize, 1942-1969 and undated

This subseries contains over 300 maps, charts and drawings relating to the projects in the earlier subseries. They were grouped by project as much as possible and segregated by size for storage purposes. The items range from hand-drawn maps to USGS quadrangles to highway maps. Often they contain a wealth of handwritten data.

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Series VIII: Miscellaneous, 1929-1977 (0.75+ linear feet)

This series is comprised of materials that do not relate directly to the groundwater studies of the previous series but are of significance. The materials are arranged in two subseries.

Subseries A: Files, 1929-1977

This subseries contains documentation on the College Farm drain, Spring Creek, Foothills rain gages, the Western States Water Council and two groundwater short courses. More significant are the files from two of the researchers represented throughout this collection: W. E. Code and Robert E. Glover. The Code papers show the history of early U.S. Geological Survey studies in Colorado and how Code felt about the USGS, as well as some 1940s Experiment Station budget information. The Glover papers include a partial draft of a book with M. W. Bittinger as co-author, well test analyses, early (1950s) notes on groundwater management, and some original work on analytic solutions to pumping impact on streamflows in an alluvial valley. Materials in the subseries include correspondence, memoranda, reports, charts and maps.

Subseries B: Oversize, 1947-1957

This subseries contains eight miscellaneous maps and charts, most significantly of Colorado A and M lands, the Parshall flume, and College Farm drainage. They are in no particular order.

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Series IX: Printed materials, 1912-1979 (4.5 linear feet)

This series is comprised of printed materials accumulated by the researchers for reference purposes. The materials were heavily weeded of common federal and state documents, but some remain for various reasons, as do the majority of the limited-distribution reports. Items related to states other than Colorado can be found here, as can some more general subtopics. The materials are arranged in four subseries.

Subseries A: Groundwater, 1936-1974

The materials in this subseries are primarily reports and publications on the subject of groundwater. The materials are categorized by state, with Colorado coming first and the rest alphabetically, followed by categories of general, management, legislation and models.

Subseries B: Surface water, 1923-1966

The materials in this subseries are primarily reports and publications on the subject of surface water. The materials are grouped by river basin, which are listed alphabetically.

Subseries C: Wells and pumps, 1948-1976

This is a small subseries containing publications primarily on the subjects of well construction and pump selection and maintenance. The materials are in no particular order.

Subseries D: Clippings, 1912-1979

The newspaper clippings in this subseries represent a number of topics related to water, including pollution, weather and legislation. Folder arrangement was maintained as found, with a few from other locations placed at the end.

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Series X: Visual materials, 1931-1979 and undated (3 linear feet)

This series contains the extant visual documentation of the groundwater studies represented in this collection. The projects best documented here include the Kiowa Creek and South Platte projects as well as the Hele Shaw model study. The materials are arranged in three subseries by material type. Also see Series I, subseries A and B for photos of observation wells.

Subseries A: Slides, 1941-1979 and undated

The hundreds of slides that make up this subseries are visual depictions of the groundwater studies found in the earlier series. Significantly represented are Kiowa Creek, the San Luis Valley, and the South Platte artificial recharge project. Also included are a significant number of slides on well drilling and general irrigation structures and methods. Notably, a card index provides important information about the dates and contents of many of the slides. The original order, alphabetic by folder title, is maintained, with some slides found elsewhere in the collection inserted accordingly.

Subseries B: Photographs and negatives, 1931-1979

The photographs and negatives in this subseries are further visual documentation of the groundwater studies found in the earlier series. Significantly represented are the Kiowa Creek and High Plains projects. Of note are pictures related to the Hele Shaw model study. Materials are arranged alphabetically by folder title, with the items separated from other series filed at the end in series order.

Subseries C: Films and microfilm, 1945-1965

Three of the 16mm films in this series were shot from airplanes and document the South Platte River and Kiowa Creek in 1961 as well as the Cope project area in 1965. Four films document the Hele Shaw model study. The majority of the microfilm is Morgan County REA pump power data. The materials are in no particular order.

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Inventory

Note: Title information supplied by the archivist is bracketed. Estimated pagination is preceded by an "e." Two identical copies of the same item are indicated by the phrase "2 copies" at the end of the entry, following the number of pages of each copy. Authored articles, books and studies are listed in bibliographic form. Maps listed in flat files are typically 24 x 36 inches or smaller, unless described as large or rolled.


Series I: Observation well data
Box	Folder
		Subseries A: Field copies.
1	1-2		Adams. 1947-1965. e160pp.
1	3		Arapahoe. 1951-1966. 10pp.
1	4		Arkansas. 1951-1963. e75pp.
1	5		Baca. 1936-1974. e150pp.
1	6		Bent. 1953-1968. 360pp.
1	7		Cheyenne. 1959-1966. 4pp.
1	8		Crowley. 1959-1966. 4pp.
1	9		El Paso. 1944-1970. e50pp.
1	10		Elbert. 1951-1967. 8pp.
1	11		Garfield. 1951-1954. 2pp.
1	12		Huerfano. 1951-1966. e20pp.
1	13		Kiowa. 1959-1966. 5pp.
1	14-16		Kiowa Creek Obs[ervation] Wells. 1960-1966. e500pp.
1	17		Kit Carson. 1950-1968. e130pp.
1	18		Larimer. 1951-1975. e50pp.
1	19		Lincoln. 1959-1966. 3pp.
1	20		Logan. 1951-1970. e80pp.
1	21		Morgan #1. 1947-1969. e150pp.
1	22-23		Morgan #2. 1947-1976. e200pp.
1	24		Otero. 1951-1969. e80pp.
1	25		Phillips. 1958-1967. 2pp.
1	26		Prowers. 1956-1967. e40pp.
1	27		Pueblo. 1956-1969. e25pp.
1	28-29		San Luis Valley. 1952-1969. e200pp.
				Includes Alamosa, Rio Grande, Conejos, Costilla and Sagauche counties.
1	30		Sedgwick. 1936-1970. e30pp.
2	1		South Platte [binder 1]. 1944-1963. e200pp. VIEW
2	2		South Platte [binder 2]. 1944-1963. e200pp. VIEW
2	3-4		South Platte [binder 3]. 1944-1963. e250pp. VIEW Part 1 VIEW Part 2
2	5		Washington. 1936-1973. e40pp.
2	6		Weld #1. 1951-1976. e80pp. VIEW
2	7		Weld #2. 1962-1975. e15pp. VIEW
2	8		Weld #4. 1951-1976. e150pp. VIEW
2	9-10		Weld #5. 1947-1975. e150pp. VIEW Part 1 VIEW Part 2
2	11		Yuma. 1948-1969. e50pp.
		Subseries B: Office copies.
2	12-13		Adams. 1941-1975. e130pp.
2	14		Adams--dead. 1933-1969. e60pp.
2	15		Alamosa. 1963-1968. 12pp.
2	16		Alamosa--dead file. 1954-1964. e50pp.
2	17		Baca. 1953-1972. e50pp.
2	18		Bent. 1955-1974. e20pp.
2	19		Conejos. 1963-1968. 14pp.
2	20		Conejos[--header cards]. undated. 5pp.
2	21		Conejos--dead file. 1963-1966. 3pp.
2	22		Costilla. 1963-1968. 7pp.
2	23		Costilla--dead file. 1963-1966. 1p.
2	24		Elbert. 1951-1967. 8pp.
2	25		El Paso. 1931-1974. e30pp.
2	26		El Paso--dead file. 1955-1967. 8pp.
2	27		Huerfano. 1962-1974. 6pp.
2	28		Kiowa. 1959-1966. 4pp.
2	29		Kit Carson. 1955-1971. e40pp.
2	30		Kit Carson--dead file. 1954-1967. 2pp.
2	31		Larimer. 1941-1975. e100pp.
2	32		Larimer[--header cards]. undated. 2pp.
2	33		Larimer--dead file. 1929-1967. e20pp.
2	34		Logan. 1947-1974. e70pp.
2	35		Logan--dead file. 1940-1966. 11pp.
2	36-37		Morgan #1. 1941-1975. e160pp.
2	38-39		Morgan #2. 1941-1975. e160pp.
2	40		Morgan--dead file. 1928-1966. e30pp.
2	41		Otero. 1941-1974. e50pp.
2	42		Otero--dead file. 1928-1955. 6pp.
3	1		Phillips. 1962-1970. e25pp.
3	2		Phillips--dead file. 1962-1965. 1p.
3	3		Prowers. 1955-1968. e20pp.
3	4		Prowers--dead file. 1961-1968. 2pp.
3	5		Pueblo. 1937-1974. e30pp.
3	6		Pueblo #2. 1934-1974. e20pp.
3	7		Pueblo--dead file. 1931-1966. 8pp.
3	8		Rio Grande. 1955-1968. e30pp.
3	9		Rio Grande--dead file. 1963-1965. 1p.
3	10		Saguache. 1954-1968. e25pp.
3	11		Saguache--dead file. 1955-1968. 5pp.
3	12		Sedgwick. 1957-1974. e30pp.
3	13		Sedgwick--dead file. 1952-1963. 2pp.
3	14		Washington. 1947-1971. e30pp.
3	15		Washington--dead file. 1962. 1p.
3	16		Weld #1. 1929-1975. e120pp.
3	17		Weld #2. 1962-1975. e20pp.
3	18-19		Weld #4. 1935-1975. e170pp.
3	20-21		Weld #5. 1934-1975. e160pp.
3	22		Weld--dead file. 1928-1967. e50pp.
3	23		Yuma. 1956-1971. e40pp.
3	24		Yuma--dead file. 1962-1968. 2pp.
		Subseries C: Recorder data.
3	25		Water level recorders. 1963-1970. e30pp.
3	26-27		Bijou recorder. 1960-1967. e100pp.
3	28-29		[Cholfont]. 1967-1972. e80pp.
3	30-31		Ferris Recorder. 1958-1969. e200pp.
3	32		Frenchman G. W. District, Recorder. 1971-1972. e30pp.
3	33		[Kit Carson County]. 1967-1970. e20pp.
3	34-35		Morgan Recorder, 58-66. 1953-1967. e100pp.
3	36		Morgan Recorder, 67-. 1967-1969. e30pp.
4	1-7		Newhall-Hooper Obs[ervation] Well. 1955-1961. e350pp.
4	8		Newhall-Hooper Obs. Well [1961-1963 and maps]. 1961-1963, 1980. e50pp.
4	9		Prospect Recorder. 1954-1968. e80pp.
		Subseries D: Data files.
4	10		[USGS well schedules]. 1929-1953. e300pp.
4	11		USGS well schedules. 1933-1962. e150pp.
4	12		[USGS well schedules]. 1941-1963. e100pp.
4	13-14		Colorado 1954 water levels. 1947-1954. e280pp.
4	15		Well reports, 1958-72. 1958-1975. e150pp.
4	16-17		Misc. water level measurements. 1959-1966. e150pp.
4	18		Kit Carson County. 1963-1964. e25pp.
4	19		Baca County. 1963-1964. e40pp.
4	20		303-105 Sp. 1965 W.L. [Spring 1965 Water Level]. 1963-1965. e20pp.
4	21		Water levels--SLV [San Luis Valley] Sp. '65. 1965. 8pp.
4	22		105--Fall '65 meas[urements]. 1965-1966. 13pp.
4	23		Baca County. 1965. 6pp.
4	24		Kit Carson County. 1965. 4pp.
4	25		Phillips County. 1965. 3pp.
4	26		Yuma County. 1965. 4pp.
4	27		105--Spring '66 measurements. 1966. 7pp.
4	28		Project 105--Spring 1966 W.L. Rept.. 1966. 4pp.
4	29		High Plains W.L. '66--USGS. 1966. 15pp.
4	30		[Yuma County]. 1966-1967. 2pp.
4	31		Colo. water level data. 1966-1968. e130pp.
4	32		[USGS well schedules]. 1966-1968. e40pp.
4	33		W/L [Water level] USGS. 1967. 12pp.
4	34		USGS W/L [Water level] report. 1968. e30pp.
4	35		1969 W/L [Water level] from USGS. 1969. e30pp.
4	36		W. L. [Water level] report Sp. 1970. 1970. e25pp.
4	37		Spring 1971 data from USGS. 1971. 9pp.
4	38		Data for 1971 W/L [Water level] report--work copies. 1971. e30pp.
4	39		[Water-level records for Colorado]. 1971-1975. e40pp.
4	40		1972 measurements, U. S. Geological Survey. 1972. e20pp.
4	41		1973 water levels #1. 1973. 14pp.
4	42		1973 water levels--copy. 1973. 12pp.
4	43		[Water level data]. 1972-1974. e40pp.
		Subseries E: Miscellaneous files.
5	1		105--Data programming. 1965-1966. e30pp.
5	2		Address--Current, groundwater. 1972-1975. e20pp.
5	3		Arkansas Valley Circuit, So. Platte Circuit. 1955. e25pp.
5	4		Groundwater level summaries. 1966-1967. e20pp.
5	5		Guide sheet for header card. undated. 3pp.
5			[Land owner permission to use wells as observation wells]. 1962. e350 cards in file box
5	6		Legal papers--wells. 1972. 3pp.
5	7		USGS observation well network. 1965-1966. 15pp.
		Subseries F: Publications.
5	8		Skinner, M. M. Colorado ground-water levels, spring 1962. Fort Collins, Colo.: Colorado State University Experiment Station. 1962. 23pp. VIEW
5	9		Skinner, M. M. Colorado ground-water levels, spring 1963. Fort Collins, Colo.: Colorado State University Experiment Station. 1963. 11pp. VIEW
5	10		Skinner, M. M. and J. L. Thomas. Colorado ground-water levels, spring 1964. Fort Collins, Colo.: Colorado State University Experiment Station. 1964. e40pp. 2 copies (1 annotated) VIEW
5	11		Colorado ground-water levels, spring 1965-1968. 1965-1968. 5 folded maps
5	12		Brookman, John A. Colorado ground-water levels, spring 1969. Fort Collins, Colo.: Colorado State University Experiment Station. 1969. e50pp. 2 copies (1 annotated, 1 with cut pages) VIEW
5	13		Colorado ground-water levels, spring 1970-1972, 1974. 1970-1972, 1974. 11 folded maps
5	14		Brookman, John A. Colorado ground-water trends. Fort Collins, Colo.: Engineering Research Center, Colorado State University. 1973. 104pp. VIEW
5	15		Bittinger, Morton W. Colorado's ground-water problems. Ground-water in Colorado. Bulletin 504-S. Fort Collins: Colorado State University Experiment Station. 1959. 28pp.
5	16		U.S. Geological Survey. Summary of water level measurements (1966-1970) in the Southern High Plains (Baca and southern Prowers County, Colorado). 1970. e25pp.
5	17		Farmer, Edward J. Water and the law. Bulletin 505-S. Fort Collins: Colorado State University Experiment Station. 1960. 25pp.
5	18		Code, W. E. Water table fluctuations in Eastern Colorado. Bulletin 500-S. Fort Collins: Colorado State University Experiment Station. 1958. 34pp. 2 copies
		Subseries G: Oversize.
Drwr 1	1		[Well data and groundwater levels]. 1959; 1967. 15pp.
				Contains four pages of well data compilations and the first eleven pages of a 46-page chart labeled "Depth to ground-water level below land surface datum."
Drwr 1	2-4		[Groundwater levels]. 1967. e40pp.
				Contains remainder of a 46-page chart labeled "Depth to ground-water level below land surface datum."
Drwr 1	5-7		[Groundwater levels]. 1963. 46pp.
				Contains chart labeled "Depth to ground-water level below land surface datum," an earlier version of that listed above.
Drwr 1	8		Groundwater hydrographs. 1962. 16pp.
				Full-size sepias of those published in the W. E. Code bulletin "Water table fluctuations" but with data extended to 1962.

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Series II: Power consumption by irrigation pumps
Box	Folder
6	1	1972 irrigation pump report. Public Service Company of Colorado. 1973. e100pp.
7	1	1973 irrigation pumping report. Public Service Company of Colorado. 1974. e100pp. computer printout
7	2	1974 power data. Public Service Company of Colorado. 1975. e200pp. computer printout
6	2	1977 irrigation study. Highline Electric Association. 1978. e130pp.
6	3	1977 irrigation study. Morgan County Rural Electric Association. 1977. e150pp.
6	4	1978 irrigation study. Y-W Electric Association, Inc.. 1978. e130pp.
6	5	Address--gas and electric. 1973-1975. e25pp.
6	6	[Annual irrigation power summary for 1974]. 1972-1975. 6pp.
6	7	Data. 1975-1976. e15pp.
6	8	Data. 1958-1975. e50pp.
7		[Data on electric and natural gas well power usage by township, range, section]. 1950-1961. e600 cards in file box
6	9	Miles, D. L. and R. L. Longenbaugh. Evaluation of irrigation pumping plant efficiencies and costs in the High Plains of eastern Colorado. General series 876. Fort Collins, Colo.: Colorado State University Experiment Station. 1968. 19pp.
6	10	Code, W. E. Fundamentals of good irrigation: pumping plants. undated. 2pp.
6	11	Hawkins, Gordon P. Getting acquainted with a sprinkler irrigation pump. undated. 9pp.
6	12	Graphs--power consumption. 1978. 12pp.
6	13	Graphs--pump efficiency tests. 1978-1979. 10pp.
6	14	Irrigation power records, 1975-1978. 1975-1979. e100pp.
6	15	[Irrigation power records] up to 56. 1939-1962. e40pp.
6	16	[Power companies and associations]. 1958-1963. e30pp.
6	17	Power companies reports on irrigation loads. 1939-1958. e30pp.
6	18	[Power consumption by irrigation pumps--correspondence, tabulations, maps]. 1964-1975. e15pp.
6	19	Rates. 1962-1965. e20pp.
6	20	Summary of power consumption by irrigation pumps in Colorado. 1958-1975. e40pp. VIEW
6	21-23	Summary of power consumption by irrigation pumps in Colorado during 1957-1974 [in 3 volumes]. 1987. e1000pp.
6	24-37	Summary of power consumption by irrigation pumps in Colorado during .... 1957-1970. e700pp.
7	3-6	Summary of power consumption by irrigation pumps in Colorado during .... 1971-1974. e300pp.
7	7	[Summary of power consumption by irrigation pumps in Colorado during 1977]. 1977. e100pp.
7	8	Summary of power consumption by irrigation pumps in Colorado during 1978. 1978. e60pp.

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Series III: Field books of W. E. Code
Box	Folder
8	1-2	Austin. 1949-1952. 4 items
8	3	Bijou. 1956-1958. 1 item
8	4	Field book for general use. 1917-1920. 1 item
8	5	Geophysics, no. 1. 1931. 1 item
			See also Series IX, Subseries B: Photographs and negatives.
8	6	Ground water investigations. 1944-1948. 1 item VIEW
8	7-13	Ground water survey, book no. 1-13. 1940-1941. 13 items
8	14	Kans[as] Nebr[aska] trip, May 1930. 1930. 1 item
8	15	Miscl. surveys. 1930-1953. 2 items
8	16	Permeability. 1944. 1 item
8	17	Project 13. 1951. 1 item
8	18	Prospect. 1942-1943. 2 items
8	19-22	Pump tests, no. 1-8. 1928-1954. 8 items
8	23-26	Pumping plant data, no. 1-7. 1928-1954. 7 items
8	27	San Luis Valley Experiment Farm. 1951. 1 item
8	28	Surveys, [#1]-#2. 1929-1936. 2 items
8	29	Swede Ditch, Hygene, Colo.. 1952. 2 items
8	30	[Untitled], book I-III. 1954-1956. 3 items
			Book I refers to "Hoff Meter no. 180" and "Project 236."
8	31	[Untitled]. 1949, 1955. 2 items
8	32	[Untitled]. 1921-1923, 1932-1935. 2 items
			See also Series IX, Subseries B: Photographs and negatives.
9	1-2	Water levels, 1-3. 1929-1962. 3 items VIEW 1-2 VIEW 3
9	3	Well studies, no. 1-2. 1931-1932. 2 items

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Series IV: Arkansas Valley
Box	Folder
		Subseries A: Files.
9	4		Arkansas Valley Report [La Junta-Las Animas study]. undated. e30pp.
9	5-6		Forms, reports, rules, etc. of Ark Valley Canal Co's to accompany R. G. Hemphill's report on Arkansas Valley, 1914. 1899-1914. e60 items
9	7-8		[Hydrologic data on Arkansas River and its tributaries]. undated. e150pp.
9			La Junta-Las Animas study data.
9	9			River flow data. 1962-1965. e15pp.
9	10			Evapotranspiration. 1964-1965. 2pp.
9	11			L-L USGS mass meas. 10-63 to 7-65. 1966. e15pp.
9	12			Irrigation. 1965. e15pp.
9	13			Crop, cons[umptive] use. 1955, undated. 10pp.
9	14			Seepage, Jenkins. 1966. 2pp.
9	15			Pan evap data. 1963. 7pp.
9	16			Wells. 1962-1966. e40pp.
9	17			Precipitation. 1963-1965. 8pp.
9	18			Aquifer. undated. 1 folded sheet
9	19		Misc. publications. 1951-1953, undated. e150pp.
9	20		Permits list--irrig. wells--La Junta-Las Animas study. undated. e80pp.
9	21		Report of field work in the Arkansas Valley in 1914: forms of organization, management of canals, development of enterprises. By R. G. Hemphill, irrigation farmer. 1914. 175pp.
9	22		Water level change maps from USGS for Arkansas Valley, La Junta-Las Animas. 1964-1966. 4pp.
		Subseries B: Oversize.
Drwr 1	1		[Maps and tables]. 1955-1958. 19pp.
				Contains USGS maps; table entitled "Records of wells in the Fountain Creek area, Colorado."
Drwr 1	2		[Maps and drawings]. 1925-1961. 10 sheets
				Includes general highway map of Pueblo County, Colorado; three plates from the Pueblo Regional Planning Commission; "Map of the Arkansas River Valley, Colorado"; map of Security, Colorado. Some items folded.
Drwr 1	3		[Land classification maps]. 1945. 33pp. bound
Drwr 1	4		[Maps and drawings]. 1953-1966. 14 sheets
				Includes annotated USGS quadrangles; water table contour map; soil type drawings.
Drwr 1	5		[Maps and hydrographs]. 1960-1965. 11 sheets
				Includes water table hydrographs; water table contours; water measurement gages.
Drwr 1	6		[Maps and charts]. 1953-1966. 9 sheets
				Includes evapotranspiration map; general highway map, Bent County, Colorado; charts from Las Animas flow records.
Drwr 2	7		[Large maps]. 1952-1964. 11 sheets
				Includes evaportranspiration maps; precipitation stations; annotated USGS maps on plastic; general highway maps, Pueblo County and Otero County; Fort Lyon Canal system.
Tube 1			[Rolled maps]. 1955, 1964, undated. 7 sheets
				Contains map of Arkansas Valley on plastic; evapotranspiration map; U.S. Bureau of Reclamation Fryingpan-Arkansas project land classification maps, sheets 5-8; well location map with model grid.

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Series V: High Plains
Box	Folder
		Subseries A: Files.
9	23		Akron. 1963-1964. e80pp. VIEW
9	24		Analog studies of the effects of pumping on ground water levels in the High Plains of eastern Colorado. c. 1965. 16pp. VIEW
9	25		[Analog studies of the effects of pumping on ground water levels in the High Plains of eastern Colorado--drafts and correspondence]. 1964-1965. e30pp. VIEW
9	26		[Arikaree/Cope recharge project]. 1964-1965. e80pp.
9	27		[Arikaree River Recharge Study--correspondence and proposal]. 1964. e25pp. VIEW
9	28		Artificial ground-water recharge, Kansas. 1969-1970. e15pp. VIEW
9	29		Longenbaugh, Robert A. Artificial ground water recharge on the Arickaree River near Cope Colorado. Progress report 170. Fort Collins: Colorado Agricultural Experiment Station, Colorado State University. 1965. 1p. 2 copies
9	30		Longenbaugh, Robert A. Artificial ground-water recharge on the Arikaree River near Cope, Colorado. Fort Collins: Civil Engineering Dept., Colorado State University. 1966. 12pp.
				See also Series IX, Subseries B: Photographs and negatives.
9	31		[Artificial ground water recharge on the Arikaree River near Cope, Colorado: completion report--drafts]. 1968. e50pp.
9	32		Brookman, J. and D. K. Sunada. Artificial ground water recharge on the Arikaree River near Cope, Colorado: completion report. Fort Collins, Colo.: Civil Engineering Dept., Colorado State University. 1968. 16pp.
9	33		Baca County--field trips. 1964. 6pp.
9	34		Burlington, 1960-. 1959-1962. e35pp.
9	35		Burlington area--Game and Fish Dept.. 1962. 1p.
9	36		Burlington--notes from topographic mapping [field book]. undated. 1 item
9	37		Cope recharge, 1965 (1964). 1964-1965. e80pp.
9	38		Cope recharge 1966. 1966. e60pp.
9	39		Cope recharge study, site #1, 1967. 1967. e70pp.
9	40		Correspondence with ARS [Agricultural Research Service] on High Plains Study. 1962-1963. 3pp.
9	41		Data from Cope recharge. 1964-1967. 15pp.
9	42		Eastern Colo. studies. 1964. e30pp.
9	43		Frenchman Ecological Area. 1974-1976. e40pp.
9	44		Duke, H. R. Groundwater in the High Plains of Eastern Colorado. Fort Collins: Agricultural Experiment Station, Colorado State University. 1967. 9pp. 2 copies
9	45		High Plains analog--experiment runs. 1964. e100pp.
9	46		High Plains analog--program of investigations, trial computations. 1964, undated. e50pp.
9	47		High Plains and Cope correspondence, 1962-. 1962-1967. e150pp.
10	1		High Plains Eastern Colorado--field trip 8/10/66-8/12/66, CSU Experiment and Extension people. 1966. e40pp.
				See also Series IX, Subseries B: Photographs and negatives.
10	2		High Plains of Colorado--estimated cost of instrumenting playa lakes. 1963. e30pp.
10	3		High Plains of Colorado, precipitation data. c. 1964. 6pp. VIEW
10	4		High Plains of Colorado, pumping data. 1962-1964. e30pp.
10	5		High Plains project proposals. 1963-1964. e20pp. VIEW
10	6		High Plains study. 1963-1965. e100pp.
10	7		High Plains study correspondence. 1959-1961. e50pp. VIEW
10	8		McGovern, H. E. and D. L. Coffin. "How much do we know about ground water in the Colorado High Plains?". 1961. 5pp. VIEW
10	9		Map of proposed different farm enterprise areas of Ogallala 6 state study. 1980. 1 item
10	10		[Memo: Field trip to eastern Colorado from July 9-19]. 1963. e15pp.
10	11-12		[Public Utility Commission hearing and data]. 1978. e100pp.
10	13		Recharge of ponding--Akron and vicinity. 1963-1964. e40pp.
10	14		Rural area development, High Plains. 1964-1965. e170pp.
10	15		Specification--Cope recharge. undated. 7pp.
10	16		The three-mile test. 1978. 10pp. VIEW
10	17		[W-Y Import Plan]. 1976. e40pp. VIEW
				Topic relates to South Platte water being diverted to recharge the High Plains. A conditional decree was sought for northern groundwater districts.
		Subseries B: Oversize.
Drwr 1	1		[Maps]. 1962, undated. 10 sheets
				Contains topographic maps from the High Plains Hydrological Studies--(1) Rainbolt's Playa Lake and (2) Windscheffel's Playa Lake; Ground Water Studies, High Plains Area, Colorado; copies of USDA maps.
Drwr 2	2		[Large maps]. 1961-1964, undated. 9 sheets
				Contains topographic maps from the High Plains Hydrological Studies--(1) Hillman's Playa Lake, (2) Clark's Playa Lake, (3) Chalfont's Playa Lake; topographic map--Arikaree River Proposed Recharge Site; Plans for Arikaree River Recharge Study; grid of CSU observation wells; 2 drawings related to Cope recharge; Cope recharge land surface elevation.
Tube 1			[Rolled maps]. 1967, undated. 4 sheets
				Contains contour map; "Preliminary well locations" in Baca and southern Prowers counties; Southern Part of the High Plains of Eastern Colorado--two copies, both annotated.

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Series VI: San Luis Valley
Box	Folder
		Subseries A: Files.
10			San Luis Valley Ad Hoc Committee.
10	18			Correspondence--San Luis Valley Artificial Recharge Study. 1980. e75pp.
10	19			Correspondence--Committee. 1978-1980. 9pp.
10	20			Correspondence--Committee notes, agendas and minutes. 1978-1980. e100pp.
10	21			Correspondence--CSU internal. 1978. 4pp.
10	22			Correspondence--General. 1978. 3pp.
10	23			Correspondence--Paul Davis. 1978-1980. e50pp.
10	24			Correspondence--Rio Grande Canal Water Users Assoc.. 1978-1980. e20pp.
10	25			Correspondence--Rio Grande Water Conservation District. 1978-1980. e30pp.
10	26			Correspondence--SCS [Soil Conservation Service]. 1979-1980. 9pp.
10	27			Correspondence--USGS. 1979. 5pp.
10	28			Data tabulations. 1978. 7pp.
10	29			Project proposals. 1978-1980. e25pp.
10	30			Reference material. 1977-1978. e30pp.
10	31			Reports. 1975-1978. e150pp.
10	32			San Luis Valley observation well data. 1978. e80pp.
10	33		Hydrographs. undated. e30pp.
10	34		[Maps and data]. 1977-1979. e15pp.
10	35		Meetings in which G.W. [ground water] staff participated. 1964. 3pp.
10	36		Phreatophyte study 1963. 1963. 4pp.
10	37		Research Needs Conf.--San Luis Valley. 1964. 3pp.
10	38		River accretion analysis for the Rio Grande River. 1979. 40pp.
10	39		San Luis Valley. 1951-1975. e60pp.
10	40		San Luis Valley artificial recharge. 1978-1979. e70pp.
10	41		Water District 20. 1969. e40pp.
10	42		III-5. 1978-1979. e15pp.
10	43		III-6. 1978-1979. e20pp.
10	44		IV-1. 1978-1980. e30pp.
10	45		IV-8. 1979. e20pp.
10	46		Vic Crow. 1978-1980. e30pp.
10	47		[Misc. charts]. 1980. e15pp.
11			[Rolls of hydrograph charts]. 1978-1980. 13 rolls
		Subseries B: Oversize.
Drwr 3	1		[Maps]. 1897, 1949, undated. 6 sheets
				Contains "Map of part of Spring Creek artesian area"; "Map of Mosca Irrigation District, Alamosa County, Colorado"--annotated; "Map of the San Luis Valley" published by Hotchkiss Map Co.--annotated; "Clason's map of the San Luis Valley" published by Clason Map Co.--annotated; "Map of the San Luis Valley showing contours of elevation and artesian wells, 1897" by L. G. Carpenter (reproduction); land classification progress map--annotated.
Drwr 3	2-3		[Phreatophyte study maps]. c. 1960s. 29 sheets
Drwr 3	4-5		[Phreatophyte study maps]. c. 1960s. 28 sheets
Drwr 2	6		[Large maps]. 1946-1947, undated. 9 sheets
				Includes maps related to proposed sump drains of San Luis Valley study; Rio Grande National Forest, Colorado; San Luis Valley project, Closed Basin Division. Several sheets folded.

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Series VII: South Platte Valley
Box	Folder
		Subseries A: South Platte miscellaneous.
12	1		Classification of artificial recharge needs in the South Platte Basin of Colorado. undated. 8pp.
12	2		Ft. Lupton-Henderson study. 1958-1960. 1 item
				Bittinger's field book.
12	3-4		Ground water recharge--Hydrology. c. 1950-1960. e150pp.
				See also Series IX, Subseries B: Photographs and negatives.
12	5		Ground water recharge--Reports. 1959-1961. e120pp.
				See also Series IX, Subseries B: Photographs and negatives.
12	6		Land classification maps. 1957. e10 items folded
12	7		Location of irrigation wells in South Platte River Basin in Colorado, survey of 1940. Prepared cooperatively by Colorado Water Conservation Board and Colorado Agricultural Experiment Station, Colorado State College. 1942. 1 sheet folded
12	8		Recharge evaluation, So. Platte Basin. 1958-1961. e50pp.
12	9		[Reflection seismograph surveys]. undated. 5 sheets folded
12	10		[Rocky Mountain Arsenal]. 1959-1970. e100pp.
12	11		[Rocky Mountain Arsenal]. 1959-1971. e100pp.
12	12-14		[Rocky Mountain Arsenal]--Water quality data for Arsenal study. 1960-1969. e400pp.
12	15		So. Platte data. c. 1959. e150pp.
12	16		[South Platte basin recharge: correspondence, data, outlines]. 1961-1964. e60pp. VIEW
12	17		South Platte data. 1959. e40pp.
12	18		Seepage runs and irrigation well data, Henderson to Ft. Lupton. 1955-1960. e600pp.
		Subseries B: Kiowa Creek and Kiowa/Bijou.
13	1		Romero, John C. Geology of the Kiowa-Wolf-Comanche Creek area in central Adams County, Colorado. 1965. e30pp.
13	2		Ground water recharge--Field data. 1959-1961. e20pp.
13	3		[Kiowa-Bijou township and range grids--annotated]. undated. e25pp.
13	4		[Kiowa Creek hydrographs]. 1963. 3 transparencies
13	5		[Kiowa Creek miscellaneous]. 1960-1965. e100pp. including folded maps
13	6		[Kiowa Creek observation well maps]. 1961. e15pp.
13	7		[Kiowa Creek--well data]. undated. e50 index cards; 7pp.
13	8		[Memo: Governor's Conference on Air and Water Pollution ... and Colorado Ground Water Commission hearing on Kiowa-Bijou Designated Ground Water Basin ...]. 1965. e10pp.
13	9		Natural ground-water recharge from Kiowa Creek: progress reports. 1961-1963. e60pp.
13	10		[Plates 1-3, Kiowa-Bijou Creek Basins, Colorado]. 1965. 3 sheets folded
				Plates are from Duke and Longenbaugh, Evaluation of water resources in Kiowa and Bijou Creek Basins, Colorado.
13	11		T7S. 1965. 6pp.
13	12		T8S. 1965. 1p.
13	13		T9S. 1965. 5pp.
13	14		Pumping wells, gasoline and etc.. 1965. e30pp.
13	15		Springs, stock wells, and others. 1965. 9pp.
13	16		T4N R60 W. 1965. 1p.
13	17		T3N R60 and 61W. 1965. e80pp.
13	18		T2N R60-62W. 1965. e50pp.
13	19		T1N R60-62W. 1965. e40pp.
13	20		T1S. 1962-1965. e20pp.
13	21		T2S. 1964-1965. e15pp.
13	22		T3S. 1963-1965. e30pp.
13	23		T4S. 1965. e20pp.
13	24		T5S. 1965. e15pp.
13	25		T8S. 1965. 7pp.
13	26		T9S. 1965. 6pp.
13	27		T10S. 1965. 2pp.
13	28		T4N R59 and 60W. 1965. 11pp.
13	29		T3N R59 and 60W. 1965. e60pp.
13	30		T2N R59 and 60W. 1965. e100pp.
13	31		T1N R59 and 60 W. 1965. e150pp.
13	32		T1S. 1965. e100pp.
13	33		T2S 58W-62W. 1965. e40pp.
13	34		T3S 58W-62W. 1965. e40pp.
13	35		T4S. 1965. e30pp.
13	36		T5S. 1965. 10pp.
13	37		T6S. 1965. 6pp.
		Subseries C: Prospect Valley.
13	38		Artificial ground-water recharge in the Prospect Valley Area, Colorado. General series 792. Fort Collins, Colo.: Agricultural Experiment Station, CSU. 1963. 89pp.
13	39		Dirmeyer, R. D. Chemical quality of ground water in the Prospect Valley Area, Colorado. General series 870. Fort Collins, Colo.: CSU Experiment Station. 1968. 14pp.
13	40		Glover, R. E. Ground water recharge in Prospect Valley, Colorado: preliminary progress report. Part I, analytical studies. Fort Collins, Colo.: Colorado Agricultural Experiment Station. c. 1960. 25pp.
13	41		Code, W. E. Ground water supply of Prospect Valley, Colorado. Technical bulletin 34. Fort Collins: Colorado Agricultural Experiment Station. 1945. 40pp.
13	42		Location maps for publication #CER67-8RDD59--project 108, Dirmeyer. c. 1964-1965. 9 USGS quadrangle maps, annotated, folded
13	43		Prospect Valley. 1957-1961. 2 field books
13	44		Skinner, M. M. Water resource management in the Prospect Valley Area, Colorado. 1963. 8pp.
		Subseries D: South Platte Ditch.
13	45		AGU [American Geophysical Union] paper--San Francisco--Dec. 9, '76. 1976-1977. e80pp.
13	46		[AGU paper--charts and drawings]. 1976. e80pp.
13	47		[AGU paper]--Field data, notes. 1974-1976. e150pp.
13	48		[AGU paper]--Well logs. 1959-1976. e40pp.
13	49		Carlson, Carl E. Artificial recharge has the potential of prolonging our groundwater supplies. In Colorado rancher and farmer. 1975. 2pp.
13	50		Demonstration project to study recharging South Platte flows. In Agri-search, vol. 3 no. 2. 1976. 1 item
13	51		Old well data, W-1 to W-19. 1974. e20pp.
13	52		South Platte Canal Recharge, 3/74--[well data]. 1974-1977. e150pp.
13			South Platte Ditch Recharge Demonstration.
13	53			[Correspondence and notes]. 1977-1978. e20pp.VIEW
13	54			[Data]. c. 1975-1976. e30pp.VIEW
					See also Series IX, Subseries B: Photographs and negatives.
14	1			[Draft report and charts]. c. 1976. e20pp.
14	2			Final report (draft). 1976-1977. e35pp.
14	3			First annual report. 1975. e20pp.VIEW
14	4			[Recorder charts and misc.]. 1974-1975. e50pp.
14	5			[Well data]. 1974-1978. e80pp.VIEW
14	6			[Well data]. 1974-1975. e80pp.VIEW
14	7-8		South Platte Recharge: recorder charts. 1974-1977. e100pp.
14	9		Storage decree from water court. 1977. e15pp.
14	10		[RW-1]. 1974. 5pp.
14	11		RW-3 charts. 1975-1976. e20pp.
14	12		RW-4 charts. 1975-1976. e40pp.
14	13		RW-5 charts. 1975-1977. e20pp.
		Subseries E: Oversize.
Drwr 3	1		[Maps--Kiowa Creek]. 1951-1962. 10 sheets
				Includes USGS contour maps; precipitation data; maps with storm isohyets; Thiesen polygons.
Drwr 3	2		[Maps--Kiowa Creek]. 1960-1961. 8 sheets
				Contains maps with storm isohyets.
Drwr 3	3-7		South Platte River, from Fort Morgan to north and east line of Colorado: well locations map. undated. 52 sheets
				Map pieced together with annotated USGS quadrangle maps.
Drwr 3	8-11		[Maps of South Platte River]. 1949, 1966, undated. 39 sheets
				Much like folders 3-7, along with some smaller-scale maps.
Drwr 4	12-13		[Maps from Prospect Valley water quality study]. 1964. 18 sheets
				Each map captioned with index card taped to it.
Drwr 4	14		[Maps--Kiowa Creek]. 1959-1963. 15 sheets
				Includes mostly contour maps.
Drwr 4	15		[Maps--Kiowa/Bijou]. undated. 15 sheets
				Includes maps of Bijou Valley study area; contour maps.
Drwr 4	16		[Maps--South Platte Valley]. 1950-1960. 11 sheets
				Includes annotated USGS quadrangle maps; contour maps of Henderson-Fort Lupton area; general highway map, Sedgwick County, Colorado.
Drwr 4	17		[Maps--Prospect Valley]. 1958-1960. 7 sheets
				Includes annotated USGS quadrangle maps; topography of Olds Reservoir.
Drwr 4	18		[Drawings and graphs--Prospect Valley]. undated. 11 sheets
				Related to groundwater recharge and wells.
Drwr 4	19		[Severance, Colorado, study]. 1965. 11 sheets
				Hand-drawn items related to the Severance groundwater quality study (McComas).
Drwr 4	20		[Maps and charts--Kiowa Creek]. 1956-1962. 12 sheets
Drwr 4	21		[Maps--Kiowa Creek]. 1961. 9 sheets
				Contains maps with storm isohyets.
Drwr 4	22		[Maps and table--South Platte]. 1950-1957, undated. 11 sheets
				Includes table labeled "Summary of the results of aquifer tests"; USGS quadrangle maps with data; map (which belonged to R. L. Parshall) of most of Cache La Poudre basin; "Sketch of principal ground-water aquifers in northeastern Colorado"; "Post-Laramie correlation map of the Denver Basin, Colorado."
Drwr 4	23		[Maps--Severance]. 1965-1966. 11 sheets
				Hand-drawn and printed items related to the Severance groundwater quality study (McComas).
Drwr 2	24		[Large maps--Kiowa Creek]. 1965, undated. 10 sheets
Drwr 2	25		[Large maps and graphs--South Platte]. 1942-1960. 8 sheets
				Contains "Location of irrigation wells in South Platte River Basin in Colorado" (2 copies, 1 annotated); USGS quadrangles of Brighton and Fort Lupton with data; "Fulton, Brantner and Brighton ditch diversions (1930-1960)"; "South Platte River gains, Henderson to Fort Lupton (1930-1960)."
Drwr 2	26		[Large maps and drawings--South Platte]. 1961-1969, undated. 11 sheets
				Includes "Irrigation water development along the Front Range, Denver to Fort Collins, Colorado"; "Preliminary map of Olds under ground water storage reservoir"; "Orientation map: South Platte River study area, Henderson to Fort Lupton"; drawings related to Prewitt Reservoir.
Tube 1			[Rolled maps--Kiowa/Bijou]. c. 1965. 9 sheets
				Contains three water table contour maps; two bedrock contour maps; two well location maps; one ditch and reservoir decree map; one map of compiled data.
Tube 2			[Rolled maps--Kiowa/Bijou]. c. 1960-1965. 9 sheets
				Contains three shot hole location maps; two contour maps; one saturated thickness map; one shale contour map; one water table contour map; one map of CSU-constructed observation wells.
Tube 3			[Rolled maps--Kiowa/Bijou]. 1960-1965. 12 sheets
				Contains three hand-drawn plates of water table contours and saturated thickness maps for Kiowa, Wolf and Comanche Creek watershed; three geologic cross-sections; three plates of bedrock contour maps and contour maps for water table and saturated thickness; three shot hole maps.
Tube 4			[Rolled maps and cross sections--South Platte]. c. 1960s. 9 sheets
				Contains two concentration maps for Arsenal study; "Generalized map of major Colorado aquifers hydraulically connected with stream flow"; sheet of three cross sections developed for area east of Denver for Ogallala Inc. problem; five sheets of Kiowa Creek stream profile and cross sections.

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Series VIII: Miscellaneous
Box	Folder
		Subseries A: Files.
14	14		[Code, W. E., papers]. 1929-1964. e50pp.
14	15		College Farm drain--maps, profiles and field notes. 1957. 8pp.
				See also Subseries B: Oversize.
14	16		Foothills rain gages. 1962. e100pp.
14	17-18		[Glover, Robert E., papers]. 1957-1977. e200pp.
14	19		G. W. short course no.1. 1967. e80pp.
14	20-21		Spring Creek study (Schulz) [CE288]. 1961. e200pp.
				See also Series IX, Subseries B: Photographs and negatives.
14	22		USGS ground-water short course, Fort Collins, 1953. 1953. e100pp.
14	23		[Western States Water Council]. 1966. e30pp.
		Subseries B: Oversize.
Drwr 4	1		[Maps and graphs--miscellaneous]. 1947-1957, undated. 8 sheets
				Contains map of Colorado A and M College lands; 3 sheets related to College Farm drainage investigation (W. J. Frederick); "Diagram for solution of Kutter's formula for vitrified clay pipe running full"; "Hydraulic properties of circular sections"; two drawings of 8-foot and 6-foot Parshall measuring flume.

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Series IX: Printed materials
Box	Folder
		Subseries A: Groundwater.
15			Colorado--General.
15	1			Bittinger, Morton W. Ground-water recharge research in Colorado, 1961. 1961. e15pp.
15	2			A study of artificial and natural recharge of ground-water reservoirs in Colorado: progress report. Fort Collins, Colo.: Colorado State University. 1960. 17pp.
15	3			Bittinger, Morton W. Colorado ground water quiz. undated. 14pp.
15	4			White, W. N. and C. V. Theis. Proposed ground-water investigations in the drainage basins of South Platte, Arkansas, and Republican Rivers in eastern Colorado. Washington: U.S. Dept. of the Interior, Geological Survey. 1940. 25pp. 2 copies
15	5			Report: Henrylyn Irrigation District irrigation pumping investigation. undated. e20pp. 2 copies
15	6			Packard, Wilbur. Report of test drilling operations in Horse-Rush Creek area. undated. e25pp. 2 copies
15	7			Dille, J. M. Irrigation problems in northern Colorado. 1942. 22pp.
15	8			Quadrangle sheets - Northeastern Colorado, Colorado Water Conservation Board, Engineering Department. 1939. e75pp.
15			Colorado--San Luis Valley.
15	9			Report on ground water conditions in the Closed Basin of the San Luis Valley. 1964. 8pp.
15	10			Plan for development of Closed Basin Division, San Luis Valley Project, Colorado. Proposed report. Amarillo, Texas: U.S. Dept. of the Interior. 1962. e100pp.
15			Colorado--South Platte.
15	11			Hershey, Lloyd A. and Paul A. Schneider, Jr. Ground-water investigations in the lower Cache La Poudre River Basin, Colorado. Open file report. 1962. 32pp.
15	12			Hershey, Lloyd A. and Paul A. Schneider, Jr. Geologic map of the lower Cache La Poudre River Basin, North-Central Colorado. Open file map. c. 1960. 1 folded item
15	13			Cache La Poudre--Figures 1-8. undated. 8 items
					Maps and charts related to irrigation wells and alluvial aquifers.
15	14			Summary of aquifer tests along the lower South Platte River Valley. 1962. 1pp.
15	15			Code, W. E. Use of ground water for irrigation in the South Platte Valley of Colorado. Bulletin 483. Fort Collins: Colorado Agricultural Experiment Station. 1943. 44pp.
15	16			Longenbaugh, Robert A. Ground-water resources in northeastern Colorado. Rocky Mountain Association of Geologists. 1963. 3pp.
15	17			Ground water resources of the Lost Creek Drainage Basin: Weld, Adams and Arapahoe counties, Colorado. Greeley, Colo.: Nelson, Haley, Patterson and Quirk, Inc.. 1967. e100pp.
15	18			Goodier, John T. Report on the geology and ground water of the Kiowa Creek area, Adams County, Colorado. Rough draft. Fort Collins, Colo.: Colorado State University. c. 1960. 22pp.
15	19			Work plan: Kiowa Creek watershed, Colorado. Amended. [Washington]: Soil Conservation Service, U.S. Dept. of Agriculture. 1956. e30pp.
15	20			Ground-water pollution in the South Platte River Valley between Denver and Brighton, Colorado. Denver, Colo.: U.S. Dept. of Health, Education, and Welfare, South Platte River Basin Project. 1965. 53pp.
15	21			Definite plan report: Narrows Unit, Colorado. Vol. 1, Narrows Dam and Reservoir. Denver, Colo.: U.S. Dept. of the Interior, Bureau of Reclamation, Region 7. 1951. e300pp.
15	22			Report on the Narrows Unit--Colorado. Part I. Denver, Colo.: U.S. Dept. of the Interior, Bureau of Reclamation, Region 7. 1957. e100pp.
15	23			Development of model procedures pursuant to provisions of Senate Bill 81, 47th General Assembly, State of Colorado. Fort Collins, Colo.: Morton W. Bittinger and Associates. 1969. e200pp.
15	24			Idealized cross section of the Denver Basin showing the attitude of water-bearing pre-Quaternary formations. 1967. 1 folded item
15	25			Skinner, M. M. Water resource management in the Prospect Valley area, Colorado. 1963. 8pp.
15	26			Colorado's future: a full water use policy. The South Platte Basin: a demonstration of the benefits of integrated use of the renewable water resources. Sterling, Colo.: Water Integration Committee. undated. 15pp.
15			Colorado--Arkansas.
15	27			Floods of June 1965 in Arkansas River Basin, Colorado, Kansas, and New Mexico: preliminary report of peak discharge. Denver, Colo.: U.S. Dept. of the Interior, Geological Survey. 1965. e10pp.
15	28			John Martin Reservoir Project. 1949. 2pp.
15	29			Konikow, L. F. and J. D. Bredehoeft. Simulation of hydrologic and chemical-quality variations in an irrigated stream-aquifer system. 1973. 48pp.
15	30			Moulder, E. A. et al. Effects of water management on a reach of the Arkansas Valley, La Junta to Las Animas, Colorado. 1963. e40pp.
15	31			Code, W. E. Report on ground water for irrigation of Big Sandy Valley, Colorado. Miscellaneous series paper no. 282. Fort Collins: Colorado Agricultural Experiment Station. 1945. 23pp. 2 copies plus maps
15	32			Evaluation study of Huerfano-Cucharas Irrigation Company's system and other area development. 1960. e100pp.
15			Colorado--High Plains.
15	33			High Plains aquifer tests by USGS. 1959-1963. 4pp.
15	34			Management and administration of ground water in interstate and international aquifers. Final technical report: phase I. Review copy. Fort Collins, Colo.: M. W. Bittinger and Associates. 1970. e100pp.
15	35			Management and administration of ground water in interstate and international aquifers. Final technical report: phase I. Fort Collins, Colo.: M. W. Bittinger and Associates. 1970. e100pp.
15	36			Kansas River Basin[--measurements]. 1950-1960. 20pp.
16	1			Hendrick, Robert L. Ground water supplies and irrigation farming on the north High Plains. Final report. Hartford, Conn.: Travelers Insurance Companies. 1959. e100pp.
16	2			Luckey, Richard R. and Warren E. Hofstra. Digital model of the Ogallala Aquifer of the northern part of the Northern High Plains of Colorado. Colorado Water Resources Circular no. 24. Denver, Colo.: Colorado Water Conservation Board. 1974. 22pp.
16	3			Engineering report, pump irrigation, Yuma County, Colorado. N.p: Federal Land Bank of Wichita. 1962. 20pp.
16	4			Ground water resources study relating to portions of Prowers, Baca and Las Animas counties, Colorado. Prepared for Colorado Ground Water Commission. Denver, Colo.: R. W. Beck and Associates. 1967. e100pp.
16			Colorado--Denver Basin.
16	5			Chase, George H. Artesian aquifers of the Denver Basin, Colorado. 1962. 19pp.
16	6			Gahr, William N. Contamination of ground water vicinity of Denver. 1961. e15pp.
16			California.
16	7			Richter, Raymond C. and Robert Y. D. Chun. Artificial recharge of ground water reservoirs in California. 1959. 46pp.
16			Illinois.
16	8			Prickett, T. A. Potential yield of a sand and gravel aquifer in the Hadley Valley Area near Joliet. undated. 21pp.
16			Kansas.
16	9			Generalized ground-water regions in Kansas. undated. 4pp.
16	10			Kansas water news, vol. 7, no. 6. 1964. 8pp.
16	11			Artificial ground-water recharge Wet Walnut Creek. Progress report no. 1. Topeka: State of Kansas. 1969. 22pp.
16			Nebraska.
16	12			Weakly, Harry E. Pump irrigation at the North Platte Experimental Substation. Bulletin 301. Lincoln: Univ. of Nebraska College of Agriculture Experiment Station. 1936. 12pp.
16	13			Robertson, J. A. Jr., Frank J. Dragoun and Dale W. Sall. Groundwater control by pumping. 1973. 16pp.
16			New Mexico.
16	14			Roswell, N.M. artesian basin. 1952. e10pp.
16			Texas.
16	15			Hendrick, Robert L. A study of ground-water supplies and their relation to irrigation farming on the south High Plains of Texas. Final report. Hartford, Conn.: Travelers Insurance Companies. 1958. e50pp.
16	16			Follett, C. R. Records of water-level measurements in Reeves County, Texas. Bulletin 5414. N.p.: Texas Board of Water Engineers. 1954. 30pp.
16	17			Water levels in observation wells, Southern High Plains, Texas, 1959 and 1960. Bulletin 6011. N.p.: Texas Board of Water Engineers. 1960. 47pp.
16	18			Bittinger, Morton W. Review of the ground water situation in the High Plains of Texas. Prepared for the Holly Sugar Corporation, Colorado Springs, Colorado. 1964. 41pp.
16			General.
16	19			Ground water development. 1958. 9pp.
16	20			Proceedings: Biennial Conference on ground water recharge and ground water basin management. University of California, Berkeley, June 26-27, 1963. Fresno, Calif.: Ground Water Recharge Center. 1963. e300pp.
16	21			Proceedings: 1965 Biennial Conference on ground water recharge, development, and management. University of California, Los Angeles, September 1-2, 1965. Fresno, Calif.: Fresno Field Station. 1966. e200pp.
16	22			Bittinger, Morton W. and D. E. L. Maasland. Selected references on mathematical developments in transient groundwater hydraulics. c. 1963. 4pp. 2 copies
16	23			La Mer, Victor K. and Thomas W. Healy. Evaporation of water: its retardation by monolayers. Reprinted from Science, vol. 148, no. 3666. 1965. 8pp.
16	24			Bittinger, Morton W. Problems of conjunctive use of surface water and ground water supplies. 1963. 5pp.
16	25			Bittinger, Morton W. The problem of integrating ground water and surface water use. 1963. 15pp. 2 versions
16	26			Eshett, Ali and M. W. Bittinger. Stream-aquifer system analysis for conjunctive-use operations. 1964. 23pp.
16	27			Smith, Stephen C. and Morton W. Bittinger. Managing artificial recharge through public districts. Reprinted from Journal of Soil and Water Conservation, vol. 19, no. 1. 1964. 5pp.
16			Management.
16	28			Thomas, Robert O. Chapter VI: Planned utilization of ground water. American Society of Civil Engineers manual of ground water basin management. Draft manuscript. 1960. 50pp.
16	29			Thomas, Harold E. Nationwide objectives and policies in ground water management. 1967. 11pp.
16	30			Bittinger, Morton W. The role of ground-water reservoir management in the comprehensive development of the water resources of the South Platte River Basin. 1961. 5pp. 2 copies
16	31			Bittinger, Morton W. Ground water management vital to comprehensive development of river basin water resources. In Colorado farm and home research, vol. 12, no. 4. 1962. 8pp.
16	32			Maasland, D. E. L. and M. W. Bittinger. Quality of effluent from drains in an aquifer containing saline water. Fort Collins, Colo.: Civil Engineering Section, Engineering Research Center, Colorado State Univ.. 1964. 25pp. 2 copies
16			Legislation.
16	33			Recent G. W. law changes. 1965-1966. e30pp.
16	34			Miller, David J. and Samuel Chutkow. Report on ground water problems and recommendations for further study and legislative consideration. [Denver]: Colorado Dept. of Natural Resources and Colorado Water Conservation Board. 1960. 56pp.
16	35			Proposed legislation. 1965. e50pp.
16	36			Progress report on Senate Bill no. 407 study. Fort Collins, Colo.: Morton W. Bittinger and Associates. 1968. e100pp.
16	37			Report to Governor John A. Love on certain Colorado water law problems. Denver, Colo.: Holland and Hart. 1972. e100pp.
16	38			Moulder, Edward A. Legal and management problems related to the development of an artesian ground-water reservoir. 1962. 25pp.
16	39			Harmonious administration of ground and surface waters. 1967. 14pp.
16	40			Hutchins, Wells A. Ground water legislation. Reprint from Rocky Mountain Law Review, vol. 30, no. 4. 1958. 25pp.
16	41			Cuykendall, John H. Administration of Colorado ground water law. undated. 4pp.
16	42			Code, W. E. Notes on ground-water problems in Colorado. undated. 12pp.
16	43			Hutchins, Wells A. History of the conflict between riparian and appropriative rights in the western states. 1954. 31pp.
16	44			Legislative Council, Subcommittee on Water Problems. Report to the Colorado General Assembly. 1955. e100pp.
16	45			Report on engineering water code studies for the South Platte River, under authorization of Senate Bill 407, 46th Colorado General Assembly. Vol. I: Summary and conclusions. N.p.: Morton W. Bittinger and Assoc. and Wright Water Engineers. 1968. 31pp.
16	46			Water utilization study, Water District 2. Prepared for James D. Geissinger under authorization of Senate Bill 407, 46th Colorado General Assembly. Fort Collins, Colo.: Morton W. Bittinger and Associates. 1968. 43pp.
16	47			Code, W. E. Colorado needs ground-water legislation. undated. 9pp. (photocopy)
16			Models.
16	48			McWhorter, D. B. et al. Analytical model of stream-aquifer system with pumping and recharge. Completion report submitted to Colorado State Engineer's Office. 1972. e50pp.
16	49			Lehr, Jay H. and Jerome J. Wright. Development of hydraulic models analogous to subsurface geologic conditions for studying and demonstrating the characteristics of ground water movement: final report to National Science Foundation. Tucson, Ariz.: Dept. of Geology, Univ. of Arizona. 1963. 89pp.
16	50			Model tells water future. In Colorado Farm and Home Research. undated. 1p.
					Article with photo concerning electric analog model donated to CSU and Bittinger's work.
		Subseries B: Surface water.
17			Arkansas Basin.
17	1			Land Resources Sub-committee. Ownership and irrigation of lands in the Arkansas River Basin of Colorado. 1952. e30pp.
17			Colorado.
17	2			Statement of R. J. Tipton. c. 1947. 35pp.
17	3			[Colorado River Storage Project]. 1951-1963. 7 items
17	4			Weymouth, F. E. Colorado River Aqueduct. Los Angeles, Calif.: Metropolitan Water District of Southern California. 1936. 65pp.
17	5			The Colorado River Pact: address of Herbert Hoover. undated. 8pp.
17	6			The first annual meeting of the Colorado River Water Forecast Committee. Los Angeles, California, April 16, 1945. Fort Collins, Colo.: U. S. Dept. of Agriculture. 1946. 119pp.
17	7			Prospect Valley reservoir used to recharge underground water. In Colorado Rancher and Farmer. 1958. 1p.
17	8			Smith, G. E. P. An equitable basis for solution of the Colorado River controversy. Reprinted from Progressive Arizona and the Great Southwest, vol. 9, nos. 4-6. undated. e20pp.
17	9			Industrial news, vol. V, nos. 3 and 7. 1935. 2 items
17	10			Colorado rural electric news, vol. 3, no. 8. 1955. 12pp.
17	11			Colorado Water Investigation Commission. The future operation of Glen Canyon Reservoir as related to the Colorado River Compact: a study for the Colorado Water Conservation Board. 1959. e100pp.
17	12			California's stake in the Colorado River. N.p.: State of California. 1957, 1961. 30pp. 2 copies
17	13			Hamburg, Donald H. Mexican water treaty negotiations pertaining to the Colorado River. Denver, Colo.: Colorado Water Conservation Board. 1962. e70pp.
17	14			Report based on reconnaissance investigation of Arizona land irrigable from the Colorado River. N.p.: Arizona Engineering Commission. 1923. 72pp.
17	15			Leeds, Hill and Jewett. Report on depletion of surface water supplies of Colorado west of Continental Divide. Bulletin no. 1, surface water series. N.p.: Colorado Water Conservation Board. 1953. 61pp.
17			Missouri.
17	16			[Missouri Valley Authority]. 1945, undated. 4 items
17	17			Upper Missouri Basin water rights. Memorandum of the chairman to the Committee on Interior and Insular Affairs, United States Senate. Washington: U. S. GPO. 1960. 40pp.
17	18			The Missouri River Basin Development Program. N.p.: Missouri Basin Inter-Agency Committee and the Missouri River States Committee. 1952. 48pp.
17	19			Agricultural development and problems of the Missouri Valley. Washington, DC: U. S. Dept. of Agriculture. 1945. 64pp.
17	20			The Missouri: a great river basin of the United States; its resources and how we are using them. N.p.: Missouri Basin Interagency Committee. c. 1958. e30pp.
17	21			Geier, Leo. Valley of still water. Lincoln, Nebr.: Salt-Wahoo Watershed Association. undated. e30pp.
17	22			Missouri: land and water: the report of the Missouri Basin Survey Commission. Washington: U. S. GPO. 1953. 295pp.
17			Republican.
17	23			Definite plan report: St. Francis Unit, Colorado. Vol. 1: General plan of development. Denver, Colo.: U. S. Dept. of the Interior. 1954. 106pp.
17			Rio Grande.
17	24			Irrigation and drainage problems, San Luis Valley, Colorado, as observed by Colorado A and M students of Drainage of irrigated lands. 1951. 14pp.
17			South Platte.
17	25			Gildersleeve, R. M. and Ivan C. Crawford. South Platte River Basin water supply. 1958. 7pp.
17	26			Floods of June 1965 in South Platte River Basin, Colorado and Nebraska: preliminary report of peak discharge. Denver, Colo.: U. S. Geological Survey. 1965. e7pp.
17	27			Status report on Two Forks Dam and Reservoir. Denver, Colo.: Bureau of Reclamation. 1966. e25pp.
17	28			Henrylyn Irrigation District. undated. 1pp.
17	29			Dille, J. M. Lower South Platte water supplies. 1960-1961. 25pp. 2 versions
17	30			Panel discussion on "Necessary elements in developing a master water plan for the South Platte River Basin" at Western Resources Conference. 1959. 5pp.
17	31			Miller, Stanley A. Flood control problems in the South Platte River Basin, Colorado. 1959. 9pp.
17	32			Preliminary examination report: flood control investigation, Pierce, Colorado and vicinity, Weld County, Colorado. N.p.: Colorado Water Conservation Board. 1939. e40pp.
17	33			[Colorado-Big Thompson Project]. 1938-1963. 11 items
17	34			South Platte Basin report. 1959. e250pp.
		Subseries C: Wells and pumps.
17	35		Well construction. 1948-1968. 14 items
17	36		Pump selection and maintenance. 1954-1962. 8 items
17	37		Diesel engine analysis in the irrigation pump market. Market planning memorandum 76-13. 1976. e100pp.
		Subseries D: Clippings.
17	38		Special interest. 1951-1966. e20pp.
17	39		Pollution. 1958-1967. 360pp.
17	40		South Platte and flood control. 1956-1967. e15pp.
17	41		Arkansas River Valley. 1953-1967. e25pp.
17	42		Weather. 1954-1965. e40pp.
17	43		Legislation. 1958-1967. e30pp.
17	44		Water development projects. 1946-1967. e50pp.
17	45		Underground water regulation. 1955-1967. e50pp.
17	46		Underground water information. 1954-1964. e15pp.
17	47		Water studies and water research. 1963-1967. e20pp.
17	48		Irrigation. 1912-1967. e25pp.
17	49		Colorado River Basin. 1928-1967. e75pp.
17	50		Filings for deep G.W.. 1979. e30pp.
17	51		[Water law]. 1929-1958. e70pp.
17	52-53		[Water issues]. 1956-1963. e60pp.

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Series X: Visual materials
Box	Folder
		Subseries A: Slides.
18	1		Ahmed, Nazeer, dissertation. 1967. 75 slides
				Slides relate to student's dissertation on porosity.
18	2		Bijou Valley Colorado--Aerial photos--Kiowa-Bijou Watershed, July 1964. 1964. 45 slides
18	3		California Artificial Ground Water Recharge. 1963. 12 slides, 13pp.
18	4		[Cope?]. 1966. 10 slides
18	5		Ditching and trenching, 6/19/62. 1962. 6 slides
18	6		Fountain Valley, Colorado, 6/19/62. 1962. 5 slides
18	7		Geology, 6/19/62. 1962. 14 slides
18	8		Ground water recharge slides. 1958-1959. 38 slides
				Includes slides of California and Texas.
18	9		High Plains, Colo., 6/19/62. 1962. 14 slides
18	10		High Plains, Texas. 1958-1959. 27 slides
18	11		Irrigated crops, 6/19/62. 1941-1945, undated. 14 slides VIEW
18	12		Irrigation canals, 6/19/62. 1941-1950. 39 slides VIEW
18	13		Irrigation methods (gravity), 6/19/62. 1941-1950, 1962, undated. 15 slides VIEW
18	14		Irrigation methods (sprinkler), 6/19/62. 1946-1952, 1964, undated. 47 slides VIEW
18	15		Irrigation structures. 1941-1942, 1965, undated. 29 slides VIEW
18	16		Kiowa Creek, Colorado. 1959-1962. 31 slides
18	17		Kiowa Creek, Colorado, 6/19/62. 1961-1963. 19 slides
18	18		Kiowa Creek, Colorado--after flood, Sand Dam. 1965. 10 slides
18	19		Kiowa Creek, Colorado--Sand Dam. 1960-1962. 51 slides
18	20		Land leveling. 1941-1947. 30 slides VIEW
18	21		Math model. undated. 13 slides
18	22		Miscellaneous. 1942-1946, 1962, undated. 21 slides VIEW
18	23		Observation wells. undated. 1 slide
18	24		Orange County Flood Control and Ground Water Recharge Projects, 9/1/65. 1965. 39 slides
18	25		Phreatophytes. 1962. 39 slides
18	26		Prospect Valley, Colorado. 1959-1961, undated. 22 slides
18	27		Pruett recharge. 1974. 24 slides
18	28		San Luis Valley, Colorado. 1965-1966. 14 slides
18	29		San Luis Valley--artificial recharge. 1978-1979. 13 slides VIEW
18	30		San Luis Valley--miscellaneous. 1978. 18 slides
18	31		San Luis Valley--shunt line meter program. 1978. 3 slides
18	32		Snow surveys and general mountain pictures. 1941-1943. 52 slides VIEW
19	1		South Platte Canal--Recharge Study. 1974-1976. 26 slides
19	2		South Platte Canal Recharge Project trip on 4/23/74. 1974. 8 slides
19	3		South Platte Recharge--prepared illustrations. 1975. 16 slides
19	4		South Platte River--South Platte Canal Artificial Recharge. 1974-1978. 42 slides
19	5		Water measurement. 1941, 1964, undated. 11 slides VIEW
19	6		Well drilling (ancient). 1941, 1951, undated. 30 slides VIEW
19	7		Well drilling (modern). 1942-1955, 1971, undated. 90 slides VIEW
19	8		Yuma area, Arizona--Rio Mayo Province, Mexico. 1964. 35 slides
19	9		Yuma area, Arizona--Yuma, Arizona. 1962. 42 slides
19	10		[Slide lecture text]. undated. e50pp.
				Contains index cards and pages of text that accompanied lectures given using some of the slides found in this subseries.
21			[Slide index]. c. 1940s.
				A card index that gives explanations and dates of many of the slides found in this subseries.
		Subseries B: Photographs and negatives.
19	11		Ark[ansas] Valley phreatophyte photos. 1936-1957. 16 aerial photos and negatives
19	12		[Arkansas Valley project--negatives]. undated. 5 negatives
19	13		[Cope project (?)--photographs]. 1966. 2 photos
19	14		Groundwater pictures possible for brochure. 1972, undated. 15 items
19	15		[High Plains (?) photographs and negatives] 7-13-67. 1967. 11 items
19	16		[High Plains (?) photographs and negatives] 8-21-67. 1967. 15 items
19	17		[High Plains/Bittinger--photographs and negative]. undated. 5 photos and negatives
19	18		Kiowa Creek aerial photos. 1949-1953. 23 photos
19	19		Kiowa Creek pictures. 1965, undated. e30pp.
19	20		Kiowa Creek pictures [loose items from front of binder]. c. 1960-1965. e60 items
20	1		Latest Rollei--pictures, Hele-Shaw Model. undated. 4 negatives
20	2		[Miscellaneous photographs/negatives]. 1965, undated. e50 items
20	3		Negatives [and prints] for Pruett Reservoir study. undated. 7 photos and negatives
20	4		Pictures--Hele Shaw. 1963. e30pp.
20	5		Pictures for Cope Recharge Report CER66RAL35. undated. e25 photos and negatives
20	6		Pictures of High Plains. 1960-1963. e30pp.
20	7		Pictures, South Platte Valley. undated. 6 items
20	8		Porous Media Lab photos, possible brochure. undated. 2pp.
20	9		San Luis Valley--contact prints and negatives--10/6/78. 1978. 4 photos and negatives
20	10		San Luis Valley--contact prints and negatives May/June 1979. 1979. 16 photos and negatives
20	11		South Platte recharge project. 1974-1975, undated. 14 envelopes of photos and negatives
20	12		Train wreck across Bijou Creek. 1974. 8 photos and negatives
20	13		Series III--Geophysics, no. 1--photographs. 1931. 2 photos
20	14		Series III--[Untitled]--photographs. 1932. 17 photos
				Photo location is Snare Bros. farm in Teller County, Colorado.
20	15		Series V--Artificial ground-water recharge on the Arickaree River near Cope, Colorado--photographs. undated. 7 photos
20	16		Series V--High Plains Eastern Colorado--field trip 8/10/66-8/12/66, CSU Experiment and Extension people--photograph and negative. 1966. 1 photo and 1 negative
20	17		Series VII, A--Ground water recharge--Hydrology--photographs and negatives. undated. 11 photos and negatives
20	18		Series VII, A--Ground water recharge--Reports--photographs. undated. 4pp.
20	19		Series VII, B--Geology of the Kiowa-Wolf-Comanche Creek area in Central Adams County, Colorado--photographs. undated. 5 photos
20	20		Series VII, D--[South Platte Ditch Recharge Demonstration: data]--negatives. undated. 4 negatives
20	21		Series VIII--Spring Creek study (Schulz)--photographs. undated. 10 photos
		Subseries C: Films and microfilm.
21			Air views of South Platte, Fort Lupton to Henderson; CE Proj. 112, Bittinger. 1961. 1 film
21			Air views--Kiowa Creek; CE Proj. 112, Bittinger. 1961. 1 film
21			[Cope Artificial Recharge Project, Harold Duke]. 1965. 1 film
				Film shot from airplane showing the flood of June 1965.
21			Hele Shaw model, USBR, no. 3, 4, 5. undated. 3 films
21			Hele Shaw runs no. 1, 2, 3 [Dirk Maasland]. 1963. 1 film
21			[Copy of Cope film and others?]. undated. 1 large film reel
21			Sinclair Oil Co. shot hole logs. undated. 1 microfilm reel
				Contains shot hole geophysical log data for Kiowa/Bijou.
21			Morgan County REA pump power data. 1945-1964. 10 microfilm reels

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