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Author/Creator
- Geological Survey (U.S.)41
- Brahana, J. V.5
- United States. Environmental Protection Agency5
- Bradley, Michael W.4
- Darden, Daphne3
- Mississippi. Bureau of Land and Water Resources3
- Schroder, L. J.3
- Speiran, Gary K.3
- United States. Bureau of Land Management3
- Andreasen, David C.2
- Aucott, Walter R.2
- Bricker, Amy W.2
- Curtin, Stephen E.2
- DeJarnette, Sydney S.2
- Mack, Frederick K.2
- Maryland Geological Survey2
- Maryland. Energy Administration2
- Meadows, Paul E.2
- Mulderink, Dolores2
- Planert, Michael2