Author
Geological Survey (U.S.)
2,045
Geological Survey (U.S.),
1,556
Southwest Florida Water Management District (Fla.)
98
United States. Environmental Protection Agency
81
United States. Department of Energy
79
United States. Bureau of Land Management
76
New York (State). Department of Environmental Conservation
62
Maryland Geological Survey
59
United States. Bureau of Indian Affairs
57
United States. Bureau of Reclamation
56
Arizona. Department of Water Resources
46
United States. National Park Service
41
South Florida Water Management District (Fla.)
40
Wyoming. State Engineer's Office
39
Arkansas Soil and Water Conservation Commission
38
Miller, Todd S.,
38
St. Johns River Water Management District (Fla.)
38
Washington (State). Department of Ecology
36
California. Department of Water Resources
34
National Regional Aquifer Systems Analysis Program (U.S.)
34
United States. Army. Corps of Engineers
34
Arkansas Geological Commission
33
Colorado. Division of Water Resources
33
SpringerLink (Online service)
33
National Water-Quality Assessment Program (U.S.)
31
Oswego County Planning Board
30
Nassau County (N.Y.). Department of Public Works
29
Chester County Water Resources Authority
27
U.S. Atomic Energy Commission
27
Geological Survey (U.S.). Water Resources Division
25
United States. Department of Energy. Nevada Operations Office
25
California. State Water Resources Control Board
24
Maryland. Tidewater Administration
23
New Mexico. State Engineer Office
23
Colorado. Office of the State Engineer
22
Louisiana. Department of Transportation and Development
21
Minnesota. Department of Natural Resources
21
Colorado Water Conservation Board
20
Mack, Frederick K.,
20
Mississippi. Office of Land and Water Resources
20
Andreasen, David C.
19
Bedinger, M. S.
19
Curtin, Stephen E.
19
Louisiana. Department of Transportation and Development,
19
Prakken, Lawrence B.,
19
Colorado Geological Survey
18
Mississippi. Bureau of Land and Water Resources
18
Montana Bureau of Mines and Geology
18
New Jersey. Department of Environmental Protection
18
Arizona Water Commission
17
more ...