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Author/Creator
- Geological Survey (U.S.)[remove]462
- Maryland Geological Survey34
- Mack, Frederick K.17
- New York (State). Dept. of Environmental Conservation17
- Maryland. Tidewater Administration16
- United States. Environmental Protection Agency14
- Florida. Division of Geology13
- Miller, Todd S.13
- National Regional Aquifer Systems Analysis Program (U.S.)13
- Andreasen, David C.12
- Curtin, Stephen E.12
- Imes, Jeffrey L.11
- Price, Don, 1929-11
- Oswego County Planning Board10
- Darton, Nelson Horatio, 1865-19489
- Reynolds, Richard J.9
- Thompson, Thomas H.9
- Bedinger, M. S.8
- Mississippi. Bureau of Land and Water Resources8
- Mississippi. Office of Land and Water Resources8