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• According to Park Superintendent Dave Wilson, the Number One Environmental Problem in the Canyonlands Is Off - Road Use of Vehicles, 05/1972

  • Uploaded by: U.S. National Archives
  • License: No known copyright restrictions
  • 0 comments
  • 6 favorites
  • 9,119 views
  • Date taken: 1972
  • Date uploaded: 2009-08-12
  • Tags: usnationalarchives, environmentalprotectionagency, documerica, nara:arcid=545617
  • Visibility: public