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Author/Creator
- Geological Survey (U.S.)164
- United States. Department of Energy7
- Mack, Frederick K.5
- Maryland Geological Survey5
- Maryland. Tidewater Administration5
- Parks, William Scott5
- Wanty, Richard B.5
- Carmichael, J. K.4
- Cecil, L. DeWayne4
- Kansas. Department of Health and Environment4
- United States. Army. Corps of Engineers4
- United States. Environmental Protection Agency4
- Albany Water, Gas, and Light Commission3
- American Chemical Society. Division of Agrochemicals3
- American Chemical Society. Meeting 19903
- Bedinger, M. S.3
- Chester County Water Resources Authority3
- Cordy, Gail E.3
- Geological Survey (U.S.). Water Resources Division. Caribbean District3
- Goldsmith, Gala D. S.3