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Creator
- Bryan, Kirk, 1888-19502
- Dahl, James, former owner1
- Darton, Nelson Horatio, 1865-19481
- Geographical Surveys West of the 100th Meridian (U.S.)1
- Geological Survey (U.S.)4
- Levinson, David M3
- Murphy, Brendan7
- Owen, Andrew8
- Rand McNally and Company2
- United States. Army. Office of the Chief of Engineers1
- United States. Bureau of Public Roads1
- United States. Bureau of Reclamation1
- United States. Forest Service1
- United States. Forest Service. Southwestern Region1
- United States. General Land Office3
- United States. Soil Conservation Service5