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Author/Creator
- Black Hills Conservancy Sub-District (S.D. and Wyo.)3
- Geological Survey (U.S.)3
- Mills, K. R. (Kathy R.)3
- Peter, Kathy D.3
- South Dakota. Department of Water and Natural Resources[remove]3
- Kyllonen, David P.2
- Loskot, Carole L.1