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 |
| Comments | 0 |
| Favorites | 6 |
| Views | 9,119 |
| Date taken | 1972 |
| Date uploaded | 2009-08-12 |
| Tags | usnationalarchives, environmentalprotectionagency, documerica, nara:arcid=545617 |
| Visibility | public |