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Author/Creator
- Geological Survey (U.S.)51
- Minnesota. Department of Natural Resources3
- Bauch, Nancy J.2
- Carmichael, J. K.2
- Cowdery, T. K. (Timothy K.)2
- Dickerman, David C.2
- Driver, Nancy E.2
- Eagle River Water and Sanitation District (Colo.)2
- Handman, Elinor H.2
- Lindgren, Richard J.2
- Nevada. Department of Conservation and Natural Resources2
- Parks, William Scott2
- Plume, Russell W.2
- Rhode Island. Water Resources Board2
- Stone, Janet Radway2
- Vail (Colo.)2
- Washington (State). Department of Ecology2
- Wynn, Kirby H.2
- Albany (N.Y.)1
- Anderholm, Scott K.1