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Author/Creator
- Geological Survey (U.S.)112
- Alabama. Department of Environmental Management10
- New Hampshire. Water Resources Division7
- United States. Environmental Protection Agency5
- Clark, Allan K.4
- Moore, Richard B., 1953-4
- Small, Ted A.4
- Cobb, Riley H.3
- Mack, Thomas J.3
- Scott, John C., 1926-3
- United States. Department of Energy3
- Wyoming. State Engineer's Office3
- Ackerman, D. J.2
- Arthur, J. K.2
- Buchmiller, Robert2
- Castleberry, Rick D.2
- Causarás, Carmen R.2
- Collins, C. A. (Charles Alexander), 1944-2
- Degnan, James R.2
- Dickerman, David C.2