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Author/Creator
- Geological Survey (U.S.)6
- Dague, Barbara J.2
- Western Kansas Groundwater Management District No. 12
- Andreasen, David C.1
- Arkansas Geological Commission1
- Curtin, Stephen E.1
- DeJarnette, Sydney S.1
- Mack, Frederick K.1
- Maryland Geological Survey1
- Maryland Power Plant Research Program1
- Munch, Douglas A.1
- Planert, Michael1
- Rodis, Harry G. (Harry George), 1927-1
- St. Johns River Water Management District (Fla.)1
- Westerfield, Paul W.1
- Wheeler, J. Craig1
- Williams, John S. (John Sutherland), 1947-1