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Call Number Author Topic Genre Region Era

By Alphabetical By Call Number By Topic By Genre By Region By Era

Geology 14,194 View Records Appropriations and expenditures 9,226 View Records Rules and practice 6,610 View Records Management 6,484 View Records United States Foreign relations 5,243 View Records Mines and mineral resources 4,767 View Records Groundwater 4,664 View Records Geology, Stratigraphic 4,343 View Records Water quality 4,311 View Records History 4,291 View Records Artificial intelligence 4,241 View Records Officials and employees 4,187 View Records Economics 4,076 View Records Health 3,456 View Records Business 3,197 View Records Water-supply 3,103 View Records United States Politics and government 2,962 View Records Criticism and interpretation 2,888 View Records United States History 2,798 View Records Computer security 2,693 View Records Auditing 2,683 View Records National security 2,681 View Records Evaluation 2,533 View Records Mathematics 2,347 View Records Operas 2,261 View Records Entrepreneurship 2,078 View Records Selection and appointment 2,024 View Records United States 2,012 View Records Computer science 1,955 View Records Aquifers 1,813 View Records Emergency management 1,808 View Records Computer networks 1,787 View Records United States Foreign economic relations 1,738 View Records Climatic changes 1,720 View Records Stream measurements 1,682 View Records Education 1,679 View Records Water Pollution 1,677 View Records Hydrogeology 1,671 View Records Forest management 1,663 View Records Sustainable development 1,638 View Records Data mining 1,631 View Records Hydrology 1,625 View Records World history 1,624 View Records Paleontology 1,596 View Records Information technology 1,547 View Records Leadership 1,489 View Records Families 1,425 View Records Software engineering 1,411 View Records United States Economic conditions 1,395 View Records Environmental policy 1,394 View Records Machine learning 1,389 View Records Budget 1,374 View Records Water resources development 1,364 View Records Computer networks Security measures 1,360 View Records Engineering 1,345 View Records Indians of North America 1,341 View Records Groundwater Pollution 1,317 View Records Sociology 1,314 View Records Terrorism Prevention 1,297 View Records Groundwater Quality 1,254 View Records Water quality management 1,248 View Records Human rights 1,234 View Records Land titles Registration and transfer 1,231 View Records Psychology 1,218 View Records Human-computer interaction 1,210 View Records National parks and reserves 1,206 View Records Personnel management 1,204 View Records Public lands 1,204 View Records Groundwater flow 1,199 View Records Communication 1,189 View Records Renewable energy sources 1,188 View Records Energy policy 1,184 View Records Medical care 1,182 View Records Uranium ores 1,180 View Records Procurement 1,177 View Records Floods 1,169 View Records Geology, Structural 1,143 View Records World War, 1939-1945 1,133 View Records Frontier and pioneer life 1,126 View Records Economic development 1,121 View Records Land use, Rural 1,109 View Records Air Pollution 1,104 View Records World politics 1,089 View Records Criminal justice, Administration of 1,083 View Records Conservation of natural resources 1,078 View Records Public health 1,071 View Records Computational intelligence 1,063 View Records Database management 1,049 View Records Streamflow 1,047 View Records Planning 1,036 View Records Outdoor recreation 1,035 View Records Democracy 1,029 View Records Economic assistance, American 1,004 View Records Score 1,001 View Records Mathematical analysis 991 View Records Economic sanctions, American 984 View Records Language arts 982 View Records Computer vision 981 View Records Educational technology 980 View Records Interpersonal relations 978 View Records

Geological Survey (U.S.) 645 Geological Survey (U.S.), 457 National Water-Quality Assessment Program (U.S.) 105 Colorado. Department of Public Health and Environment. Water Quality Control Division 64 Source Water Assessment and Protection Program (Colo.) 64 California. State Water Resources Control Board 43 Belitz, Kenneth 29 United States. Environmental Protection Agency 25 Ground Water Ambient Monitoring and Assessment Program (Calif.) 23 California. State Water Resources Control Board, 22 Wyoming. Department of Agriculture 21 Belitz, Kenneth, 19 Fram, Miranda S. 19 Wyoming. Department of Environmental Quality 19 United States. Department of Energy 18 Welch, Alan H. 18 New Hampshire. Water Resources Division 17 United States. Environmental Protection Agency. Office of Water 15 Williams, Rhea P. 15 Christenson, Scott C. 11 Eddy-Miller, Cheryl A. 11 Milby Dawson, Barbara J., 1964- 11 United States. Bureau of Land Management 11 Andrews, William J., 1962- 10 Metro Wastewater Reclamation District (Colo.) 10 Remley, Kendra J. 10 United States. National Park Service 9 Arkansas Geological Commission 8 Colorado. Oil and Gas Conservation Commission 8 Dumouchelle, D. H. 8 Florida. Department of Environmental Regulation 8 Kansas. Department of Health and Environment 8 Moore, Richard B., 1953- 8 St. Johns River Water Management District (Fla.) 8 United States. Bureau of Reclamation 8 Arkansas Soil and Water Conservation Commission 7 Ground Water Ambient Monitoring and Assessment Program (Calif.), 7 National Water-Quality Assessment Program (U.S.), 7 New Jersey. Department of Environmental Protection and Energy 7 Oklahoma Water Resources Board 7 Parkhurst, David L. 7 U.S. Fish and Wildlife Service 7 Arizona. Department of Water Resources 6 Hansen, Cristi V. 6 McMahon, Peter B., 6 Minnesota. Department of Natural Resources 6 New Jersey. Department of Environmental Protection 6 New York (State). Department of Environmental Conservation 6 Prakken, Lawrence B., 6 San Bernardino Valley Municipal Water District (Calif.) 6 Shelton, Jennifer L., 6 Sloto, Ronald A. 6 South Florida Water Management District (Fla.) 6 Wyoming. State Engineer's Office 6 Aichele, Steve S. 5 Bartholomay, Roy C. 5 Becker, Carol J. 5 Bennett, George L., 5 Berndt, Marian P., 5 Burton, Carmen A. 5 Chapman, M. J. 5 Gellenbeck, D. J. 5 Hill-Rowley, Richard 5 Jacksonville (Fla.) 5 Kulongoski, Justin 5 Locke, Glenn L. 5 Louisiana. Department of Transportation and Development 5 Louisiana. Department of Transportation and Development, 5 Malone, Matt 5 Mathany, Timothy M., 5 Morrissey, Daniel J. 5 Parsons, Mary C., 5 Rupert, Michael G., 1965- 5 Saad, David A. 5 San Joaquin Valley Drainage Program 5 United States. Department of Energy. Nevada Operations Office 5 University of Michigan--Flint. Center for Applied Environmental Research 5 Washington (State). Department of Ecology 5 White, Vincent E. 1979- 5 Young, H. W. 1942- 5 Arkansas Natural Resources Commission 4 Arkansas. Department of Pollution Control and Ecology 4 Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana. Water Resources Office 4 Becker, Mark F. 4 Bell, C. F. 4 Berndt, Marian P. 4 Bingham, J. W. 1925- 4 Bruce, Breton W. 4 Colorado. Department of Agriculture 4 Colorado. Department of Public Health and Environment 4 Cowdery, T. K. 4 Cunningham, William L. 4 Dahlgren Laboratory. Safety and Environmental Office 4 Delaware. Department of Natural Resources and Environmental Control 4 Denver, J. M., 4 Douglas County (Nev.) 4 Druliner, A. D. 4 Fallon, James D. 4 Gillespie, J. L. 4 Hamilton, Pixie A. 4