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Author/Creator
- Geological Survey (U.S.)55
- National Water-Quality Assessment Program (U.S.)14
- United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Water and Power Resources4
- Nolan, Bernard T., 1954-3
- United States. Congress. House. Committee on Science, Space, and Technology3
- Ator, Scott W.2
- Christenson, Scott C.2
- Dinicola, R. S. (Richard Steven)2
- Eberle, Michael2
- Hindall, S. M.2
- Hitt, Kerie J.2
- Superfund Technology Support Center for Ground Water (Robert S. Kerr Environmental Research Laboratory)2
- United States. Bureau of Reclamation2
- United States. Congress. House. Committee on Agriculture. Subcommittee on Department Operations, Research, and Foreign Agriculture2
- United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on General Oversight and Investigations2
- United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Natural Resources, Agriculture Research, and Environment2
- United States. Environmental Protection Agency2
- United States. Environmental Protection Agency. Office of Solid Waste and Emergency Response2
- United States. Navy. Engineering Field Activity Northwest2
- Washington (State). Department of Ecology2