Geological Survey (U.S.), 940
Geological Survey (U.S.) 694
United States. Environmental Protection Agency 64
Maryland Geological Survey 52
Southwest Florida Water Management District (Fla.) 52
New York (State). Department of Environmental Conservation 40
National Regional Aquifer Systems Analysis Program (U.S.) 34
Arkansas Soil and Water Conservation Commission 27
South Florida Water Management District (Fla.) 27
Arkansas Geological Commission 24
Maryland. Tidewater Administration 23
National Water-Quality Assessment Program (U.S.) 23
Mississippi. Office of Land and Water Resources 22
New Jersey. Department of Environmental Protection 22
Andreasen, David C. 19
Curtin, Stephen E. 19
Feltis, R. D. 1930- 18
Miller, Todd S., 18
New Hampshire. Water Resources Division 18
United States. Department of Energy 18
Minnesota. Department of Natural Resources 17
Mississippi. Bureau of Land and Water Resources 17
Groundwater Resources Program (U.S.) 15
Mack, Frederick K. 15
Colorado. Division of Water Resources 14
Mack, Frederick K., 14
New Mexico. State Engineer Office 14
Pettijohn, Robert A., 14
Alabama. Department of Environmental Management 13
Colorado. Office of the State Engineer 13
Harris-Galveston Coastal Subsidence District (Tex.) 13
Oklahoma Water Resources Board 13
Wolf, R. J. 13
Brockman, Allen R. 1961- 12
Busby, John F., 12
Maryland. Power Plant Topical Research Program 12
Miller, Todd S. 12
United States. Army. Corps of Engineers 12
United States. Bureau of Reclamation 12
Boswell, E. H. 1919- 10
Brahana, J. V., 10
Burt, David E., 1960- 10
Florida. Department of Environmental Regulation 10
Imes, Jeffrey L. 10
Maryland. Department of Natural Resources 10
Mularoni, R. A. 10
New Jersey. Division of Water Resources 10
Oakley, W. T. 1942- 10
Staley, Andrew W. 10
Water Availability and Use Science Program (U.S.) 10
Wyoming. State Engineer's Office 10
Lacombe, Pierre 9
Louisiana. Department of Transportation and Development 9
North Carolina. Department of Natural Resources and Community Development 9
Ortiz, A. G. 9
St. Johns River Water Management District (Fla.) 9
Whiteman, Charles D. 1931- 9
Bugliosi, Edward F., 8
Fitzpatrick, D. J. 8
Kasmarek, Mark C. 8
Moore, Richard B., 1953- 8
Puerto Rico Aqueduct and Sewer Authority 8
Reynolds, Richard J., 8
Robson, Stanley G. 8
Smoot, Charles W., 8
South Dakota Geological Survey 8
South Dakota. Department of Water and Natural Resources 8
United States. Bureau of Indian Affairs 8
United States. Bureau of Land Management 8
Virginia. Department of Environmental Quality 8
Ackerman, D. J., 7
Casey, George D. 7
Clark, Allan K., 7
Colorado Water Conservation Board 7
Curtin, Stephen E., 7
Delin, G. N. 7
Hansen, Cristi V., 7
Jones, M. A. 1952- 7
Kappel, William M., 7
Las Vegas Valley Water District (Nev.) 7
Louisiana. Department of Transportation and Development, 7
Louisiana. Department of Transportation and Development. Water Resources Section 7
Lumber River Council of Governments 7
McGuire, Virginia L., 7
Minnesota Geological Survey 7
Mississippi Board of Water Commissioners 7
Nassau County (N.Y.). Department of Public Works 7
New Hope (Pa.) 7
Puerto Rico. Department of Natural Resources 7
Reynolds, Richard J. 7
Strickland, A. G. 1953- 7
Tompkins County (N.Y.). Department of Planning 7
United States. Soil Conservation Service 7
University of Minnesota 7
Vaccaro, J. J., 7
Albuquerque (N.M.). Department of Public Works 6
Arizona. Department of Water Resources 6
Arthur, J. Kerry 6
Aucott, Walter R., 6
Brahana, J. V. 6