• Creator
  • War Department. Office of the Chief Signal Officer. Air Division/Air Service Division. Aviation Examining Board, Denver (Colorado). 10/1/1917-4/24/1918
  • Created Date
  • 1917-12-08
  • Description
  • This letter from the Croft Brothers Cycle and Supply Company of Ouray Colorado features imagery of Harley Davidson motorcycles traveling a mountain road.
  • Format
  • Paper
    Loose Sheets
  • Rights
  • Unrestricted