Author
BBC Research & Consulting
1
Clarion Associates
1
Colorado Historical Society
1
Curecanti National Recreation Area (Agency : U.S.),
1
Gannett, Henry, 1846-1914,
1
Geological Survey (U.S.),
1
Kreutzer, Lee
1
O'Rourke, Paul M.
1
United States. Bureau of Land Management. Colorado State Office
1
United States. Bureau of Reclamation
1
United States. National Park Service,
1
United States. National Park Service. Intermountain Region
1
United States. National Park Service. National Trails System Branch,
1