Aerial photographThe Historical Aerial Photographs of Colorado collection provides access to almost 1,700 digitized aerial photographs of Colorado taken by the U.S. Forest Service in the years from 1938 to 1947. See our guide for more information about aerial photographs available in the Map Library.

The bulk of the collection is uncatalogued and unindexed. Please call 303-492-7578 or email to make an appointment to see the collection.