Author
Geological Survey (U.S.)
3,310 results
National Water-Quality Assessment Program (U.S.)
435 results
United States. Environmental Protection Agency. Office of Water
356 results
Texas Water Commission
338 results
United States. Environmental Protection Agency
294 results
Grover, Nathan Clifford, 1868-1956
237 results
Meyer, John E.
227 results
Montgomery, Victoria K.
227 results
ProQuest (Firm)
226 results
Geological Survey (U.S.). Water Resources Division
205 results
United States. Bureau of Reclamation
146 results
Texas. Department of Water Resources
132 results
United States. Office of Water Resources Research
129 results
SpringerLink (Online service)
125 results
Wells, J. V. B.
116 results
United States. National Park Service
105 results
United States. Office of Water Research and Technology
105 results
Texas Natural Resource Conservation Commission
98 results
United States. Bureau of Land Management
98 results
United States. Army. Corps of Engineers
96 results
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment
96 results
United States. Congress. Senate. Committee on Environment and Public Works
92 results
California. State Water Resources Control Board
91 results
U.S. Fish and Wildlife Service
83 results
Texas Water Development Board
77 results
New York (State)
75 results
Paulsen, Carl G.
74 results
Parker, Glenn L. (Glenn Lane), 1884-
65 results
Virginia
65 results
United States. Department of Energy
64 results
North Carolina
62 results
United States. General Accounting Office
62 results
Wyoming
62 results
Belitz, Kenneth
60 results
Illinois
60 results
Love, S. K. (Samuel Kenneth), 1903-1995
60 results
Pennsylvania
59 results
West Virginia
59 results
Colorado
51 results
Maryland
51 results
Kentucky
50 results
Missouri
50 results
New Mexico
50 results
United States. Bureau of Indian Affairs
48 results
United States. Environmental Protection Agency. Office of Research and Development
46 results
Indiana
45 results
Kansas
45 results
Ohio
45 results
Wisconsin. Department of Natural Resources
45 results
Tennessee
44 results
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