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Author/Creator
- Geological Survey (U.S.)50
- DeWitt, Ed17
- United States. Defense Mapping Agency. Hydrographic/Topographic Center12
- South Dakota. Dept. of Environment and Natural Resources11
- South Dakota. West Dakota Water Development District11
- Carter, Janet M.6
- Strobel, Michael L.6
- Intergovernmental Oceanographic Commission5
- Redden, Jack A. (Jack Allison), 1926-5
- United States. Forest Service5
- International Commission for the Scientific Exploration of the Mediterranean Sea4
- Oliva, Joan, active 1580-16154
- Black Hills Conservancy Sub-District (S.D. and Wyo.)3
- Glavnoe upravlenie navigat︠s︡ii i okeanografii Ministerstva oborony SSSR3
- Mills, K. R. (Kathy R.)3
- Peter, Kathy D.3
- South Dakota. Dept. of Water and Natural Resources3
- United States. National Park Service3
- Black Sash (Society)2
- Carl Flemming (Firm)2