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Author/Creator
- Geological Survey (U.S.)9
- Carter, R. F. (Robert F.), 1916-3
- Georgia. Environmental Protection Division3
- Hopkins, Evelyn H.3
- National Water-Quality Assessment Program (U.S.)3
- Perlman, Howard A.3
- Archfield, Stacey A. (Stacey Anne), 1976-1
- Bauch, Nancy J.1
- Bent, Gardner C.1
- California. State Water Resources Control Board1
- Charlotte-Mecklenburg Utilities (Mecklenburg County, N.C.)1
- Fine, Jason M.1
- Georgia. Department of Transportation1
- Inman, Ernest J.1
- Klasner, Frederick L.1
- Malick, Matt1
- Massachusetts. Department of Environmental Protection1
- Massachusetts. Executive Office of Environmental Affairs1
- Mikami, Clinton D.1
- Shelton, Jennifer L.1