Centennial Library Reference Desk:
719-502-3410
Rampart Range Library Reference Desk:
719-502-2440

"Kartograph" by Department of Defense. Department of the Army. Office of the Chief Signal Officer. (09/18/1947 - 02/28/1964) - http://www.archives.gov/research_room/arc/ - ARC Identifier: 531175. Licensed under Public Domain via Wikimedia Commons.