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Author/Creator
- Geological Survey (U.S.)24
- Mack, Frederick K.5
- Maryland Geological Survey5
- Maryland. Tidewater Administration5
- Goldsmith, Gala D. S.3
- New York (State). Department of Environmental Conservation3
- Chester County Water Resources Authority2
- Geological Survey (U.S.). Water Resources Division. Caribbean District2
- McManus, B. Craig2
- Miller, Todd S.2
- Mississippi. Office of Land and Water Resources2
- Reynolds, Richard J.2
- Rodríguez del Río, Félix2
- Smoot, Charles W.2
- United States. Soil Conservation Service2
- Arkansas Geological Commission1
- Arkansas Soil and Water Conservation Commission1
- Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana. Water Resources Office1
- Crist, Marvin A., 1930-1
- Daniel, Charles C., III (Charles Camp), 1943-1