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Author/Creator
- Geological Survey (U.S.)10
- Smalley, Myron L.2
- Wyoming. State Engineer's Office2
- Allander, Kip K.1
- Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana1
- Banta, Edward R.1
- Bradfield, Arthur D.1
- Burns, Rebecca J.1
- Cassidy, Earl W.1
- Dugan, Jack T.1
- Evaldi, R. D. (Ronald D.)1
- Flexner, Nancy M.1
- Florida. Department of Environmental Regulation1
- Garrabrant, Lynn A.1
- Iowa. Department of Natural Resources. Geological Survey Bureau1
- Kalkhoff, Stephen J.1
- Louisville and Jefferson County Metropolitan Sewer District1
- Marella, Richard L.1
- McGrath, T. J. (Timothy J.)1
- Moore, Brian L.1