Bowker Map Collection
Full set of USGS quadrangle maps for the State of Colorado, originals plus revised versions. (7.5 minute series) (1942-1987); USGS Map of Denver (1:250,000) (1953, Rev. 1963)
Donated to the Archives in 2016 by Harold Bowker, 417 W. Knox Ave., Spokane, WA. 99205. Maps were stored in a storage unit in Cheyenne, Wyoming. The archivist drove up there and met him to receive the maps. Deed of Gift was signed.
- Geological Survey (U.S.) (Organization)
8.0 Cubic Feet (1,597 folded, rolled or flat maps)
USGS Quadrangle Maps of Jefferson County, 7.5 minute series; Miscellaneous other Colorado maps dated 1942-1987. 1,597 individual maps.