Author
Geological Survey (U.S.)
National Water-Quality Assessment Program (U.S.)
300 results
United States. Environmental Protection Agency
176 results
United States. Department of Energy
113 results
United States. Bureau of Reclamation
104 results
United States. Bureau of Land Management
85 results
United States. National Park Service
79 results
United States. Army. Corps of Engineers
70 results
Arkansas Soil and Water Conservation Commission
58 results
Southwest Florida Water Management District (Fla.)
58 results
New York (State). Department of Environmental Conservation
54 results
New Jersey. Department of Environmental Protection
48 results
Washington (State). Department of Ecology
48 results
United States. Department of Energy. Nevada Operations Office
43 results
Arkansas Geological Commission
35 results
United States. Bureau of Indian Affairs
35 results
United States. Federal Highway Administration
35 results
U.S. Fish and Wildlife Service
34 results
Florida. Department of Environmental Regulation
33 results
Minnesota. Department of Natural Resources
30 results
Arizona. Department of Water Resources
28 results
National Regional Aquifer Systems Analysis Program (U.S.)
28 results
Puerto Rico Aqueduct and Sewer Authority
28 results
South Florida Water Management District
28 results
Wisconsin. Department of Natural Resources
28 results
Miller, Todd S.
27 results
New Mexico. State Engineer Office
27 results
Wyoming. State Engineer's Office
25 results
Kansas. Department of Health and Environment
24 results
Mississippi. Office of Land and Water Resources
24 results
South Florida Water Management District (Fla.)
24 results
United States. Naval Facilities Engineering Command. Southern Division
24 results
California. Division of Mines and Geology
23 results
United States. Forest Service
23 results
Nassau County (N.Y.). Department of Public Works
22 results
Ruhl, J. F.
22 results
Mississippi. Bureau of Land and Water Resources
21 results
Sloto, Ronald A.
21 results
Vroblesky, Don A.
21 results
Chester County Water Resources Authority
20 results
Parrett, Charles
20 results
Pennsylvania. Department of Environmental Protection
20 results
Reynolds, Richard J.
20 results
California. Department of Water Resources
19 results
Jenness, Jane E.
19 results
Kansas Water Office
19 results
Maryland Geological Survey
19 results
Willoughby, Timothy C.
19 results
Berenbrock, Charles
18 results
Feltis, R. D. (Richard D.), 1930-
18 results
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