Water Resources Archive
Over 30 water resource collections from individuals and organizations that have been instrumental in the development of water resources in Colorado and the West
Colorado Agricultural Archive
Over 30 agricultural collections of individuals and organizations that enhance understanding of Colorado's agrarian heritage
University Archive
Non-current paper records that are essential to operating the University and preserving its history
Manuscripts
Over 20 collections of books, diaries, papers and other manuscripts from historically significant individuals
University Historic Photograph Collection 
Looking for historic photographs of CSU and Fort Collins? Or an interesting and amusing stroll down memory lane? The UHPC contains scans of rare glass plate images and other photographic media from the 1880's to the present.
Posters
Over 3000 posters in several collections, with a focus on modern international art posters
Archives
Archives contain multiple related collections. They are largely in paper format, but selected content is being digitized.