History Colorado's photography collection contains approximately 1 million images documenting the history of Colorado and the American West from the 1840s to the present day. Key collections include the largest archive of the work of landscape photographer William Henry Jackson and the Aultman Studio (Trinidad, Colo.) collection, containing 110 years of work from Colorado's longest-running photo studio.
History Colorado holds moving image films from and about Colorado dating from about 1915 to the present. These include cinematic releases, home movies, newsreels, films by the Sonochrome Pictures production company and other Colorado producers, and promotional, industrial, and educational films on 35mm, 16mm, 8mm, and Super 8, as well as video and digital formats. History Colorado’s newsreel collection includes historic television footage from Denver station KOA/KCNC-TV (Channel 4).