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