The websites below provide GIS data downloads, often free of charge. Emphasis is upon Colorado and federal government sites. For more extensive listings see the map library webpages at the Colorado School of Mines and University of Colorado-Boulder.
Northern Colorado and Wyoming:
- Fort Collins Geographic Information Services Division
- Larimer County
- City of Loveland
- WyGISC (University of Wyoming)
Covers the entire state of Wyoming.- Individual GIS Data Themes (Larimer County)
G4314 .L4 2005 .L3573 Elec Media (CD-ROM)- Larimer County Distribution Data Sets in Shapefile Format
G4313 .L4 2007 .L3573 Elec Media (CD-ROM)- Selected Digital Data Sets (Larimer County)
G4314 .L4 2004 .L3752 Elec Media (CD-ROM)- Digital Datasets (Larimer County)
G4314 .L4 2003 .L375 Elec Media (CD-ROM)
[see also CSU Library webpage for Aerial and Satellite Photos]Colorado State Agencies:
- State Demography Office (Department of Local Affairs)
Mapping and GIS relevant to government boundaries and census data.- Colorado Department of Transportation (Geographic Data)
Various sources and scales. Goes beyond transportation and data issues.- Colorado Division of Water Resources
Downloads pertinent to aquifers, basins, districts, and divisions.- Colorado Geological Survey (Downloadable Data)
Downloads pertinent to geology, minerals, geologic mapping and similar topics.- Maps of Colorado in GIS (Colorado School of Mines)
Lengthy list of links for GIS and other digitized formats.Federal Agencies Sites Specific to Colorado:
- Bureau of Land Management Colorado
Geospatial data and metadata statewide for Colorado BLM.- Fish & Wildlife Service
Data pertinent to US F&WS refuges and wetlands in Colorado, with links to other agencies.- National Park Service
A "Data Clearinghouse" specific to national park lands in Colorado.- Soil Data Mart (Natural Resources Conservation Service)
Use "Select State" to find Colorado data.- Electronic Field Office Technical Guide (Natural Resources Conservation Service)
Clickable map of Colorado counties. Other states also available.- Digital Geologic Map of Colorado (USGS)
Metadata in ARC/INFO format.Other Federal Agencies Sites:
- USDA Data Gateway
Includes the Natural Resources Conservation Service, Farm Service Agency, and Rural Development.- National Map Seamless Server (USGS)
View and download US and international data.- National Integrated Land System (Bureau of Land Management/US Forest Service)
Data for federal lands, land and mineral use records, mining claims, and the public land survey.- Cartographic Boundary Files (US Census Bureau)
Downloadable boundary files and metadata. No map images.- National Wetlands Inventory (Fish & Wildlife Service)
Wetlands digital data extracted using USGS topographic quadrangle names.- FSGeodata Clearinghouse (US Forest Service)
Geospatial data sets and metadata for national forest lands.- Geography and Mapping Technologies (National Park Service)
Downloadable data for the national parks.- US General Soil Map (Natural Resources Conservation Service)
Includes the "Soil Data Mart" and other downloadable data.- State GIS Maps (National Water & Climate Center)
Maps displaying snow water equivalent, snow depth, and monthly/yearly precipitation.- National Geophysical Data Center (NOAA)
Complicated site, but worth exploring for climate, weather, ecosystems, natural hazards and other data.- NNDC Climate Data Online (NOAA)
- National Hydrography Dataset (USGS/EPA)
Digital spatial data for surface water features.- Earth Resources Observation and Science (EROS) (USGS)
Land information data and maps downloadable by purchase.- General Digital Data Information (USGS)
Biologic, geographic, geologic, and hydrological scientific data downloads.- TerraLook (USGS)
Downloadable satellite images from 1975 forward.- National Geospatial Program Office (USGS)
A gateway for "The National Atlas" and other geospatial endeavors.- Multi-Resolution Land Characteristics Consortium
Public domain imagery and land-cover data from a number of federal agencies.- National Historical Geographic Information System (U. of Minnesota)
Census data and GIS-compatible boundary files for the US between 1790 and 2000. Includes a link to Social Explorer (below).- Social Explorer
Interactive data maps of the US with historical data back to 1940.