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

United States 185,848 View Records Colorado 28,590 View Records California 8,615 View Records Great Britain 7,121 View Records China 5,253 View Records Alaska 5,231 View Records Europe 3,890 View Records New Mexico 3,855 View Records Utah 3,843 View Records Arizona 3,598 View Records Nevada 3,348 View Records West (U.S.) 3,190 View Records Texas 3,155 View Records Wyoming 2,964 View Records Montana 2,939 View Records Oregon 2,921 View Records Washington (State) 2,843 View Records New York (State) 2,711 View Records Florida 2,475 View Records Idaho 2,352 View Records Japan 2,333 View Records India 2,256 View Records Mexico 2,116 View Records England 2,049 View Records France 2,040 View Records Germany 1,978 View Records North America 1,836 View Records Washington (D.C.) 1,749 View Records Pennsylvania 1,694 View Records Canada 1,620 View Records Africa 1,594 View Records Asia 1,568 View Records Soviet Union 1,457 View Records Russia (Federation) 1,455 View Records Virginia 1,409 View Records Kansas 1,374 View Records Massachusetts 1,352 View Records Latin America 1,328 View Records Illinois 1,308 View Records Middle East 1,303 View Records North Carolina 1,247 View Records Southern States 1,230 View Records Louisiana 1,225 View Records Minnesota 1,198 View Records Hawaii 1,196 View Records Italy 1,173 View Records Michigan 1,167 View Records Afghanistan 1,152 View Records Missouri 1,151 View Records Developing countries 1,106 View Records Ohio 1,105 View Records Iraq 1,026 View Records South Dakota 1,019 View Records Spain 1,009 View Records Australia 999 View Records New York 991 View Records Georgia 990 View Records Wisconsin 986 View Records European Union countries 975 View Records New Jersey 935 View Records Kentucky 920 View Records Oklahoma 903 View Records Tennessee 893 View Records Arkansas 876 View Records Maryland 871 View Records Greece 858 View Records North Dakota 845 View Records South Carolina 822 View Records Iran 802 View Records Southwest, New 801 View Records Outer space 751 View Records Nebraska 743 View Records Rome 739 View Records Mississippi 730 View Records Alabama 728 View Records Puerto Rico 726 View Records Russia 715 View Records Indiana 652 View Records Iowa 649 View Records America 621 View Records Maine 621 View Records Brazil 618 View Records West Virginia 618 View Records Israel 607 View Records Mexico, Gulf of 594 View Records Cuba 578 View Records Northwest, Pacific 565 View Records Connecticut 508 View Records Egypt 496 View Records Pakistan 493 View Records Middle West 485 View Records Mars (Planet) 470 View Records Vietnam 466 View Records South Africa 456 View Records Turkey 453 View Records Ireland 452 View Records Earth (Planet) 441 View Records New England 441 View Records San Juan County 434 View Records Mexican-American Border Region 426 View Records

Geological Survey (U.S.) 708 Geological Survey (U.S.), 486 Southwest Florida Water Management District (Fla.) 212 South Florida Water Management District (Fla.) 121 Florida. Department of Environmental Regulation 89 St. Johns River Water Management District (Fla.) 80 U.S. Fish and Wildlife Service 62 United States, 46 Cathcart, James Bachelder, 1917- 36 Florida. Department of Environmental Protection 36 United States. National Park Service 35 U.S. Atomic Energy Commission. Division of Raw Materials 25 National Water-Quality Assessment Program (U.S.) 24 United States. Army. Corps of Engineers 22 United States. Forest Service. Southern Region 22 United States. National Park Service, 22 Pinellas County (Fla.) 21 United States. Administration on Aging 20 United States. Congress. House. Committee on Transportation and Infrastructure 20 Suwannee River Water Management District (Fla.) 19 United States. Bureau of Labor Statistics 19 United States. Congress. House. Committee on Natural Resources, 19 U.S. Fish and Wildlife Service. Region 4 18 United States. Congress. House. Committee on Resources 17 United States. Environmental Protection Agency 17 McPherson, Benjamin F. 16 United States. Bureau of Mines 16 United States. Congress. Senate. Committee on Energy and Natural Resources 16 Lee, T. M. 15 United States. Congress. House. Committee on Transportation and Infrastructure, 15 Lewelling, B. R. 14 Marella, Richard L. 14 Volusia County (Fla.) 14 Brewster-Wingard, G. Lynn 13 Florida. Department of Transportation 13 Kane, Richard L. 13 SpringerLink (Online service) 13 United States. Department of Homeland Security. Office of Inspector General, 13 United States. Office of the Assistant Secretary of the Army (Civil Works), 13 University of Colorado Boulder. Natural Hazards Research and Applications Information Center 13 Cunningham, Kevin J. 1953- 12 German, E. R. 12 Knochenmus, Lari A. 12 Metz, P. A. 12 Schiner, George R., 1926- 12 U.S. Geological Survey Greater Everglades Priority Ecosystems Science Program 12 United States. Department of Health and Human Services. Office of Inspector General, 12 Air and Energy Engineering Research Laboratory 11 Barr, G. L. 11 Bradner, L. A. 11 Jacksonville (Fla.) 11 Joint Oceanographic Institutions' Deep Earth Sampling Program 11 McPherson, Benjamin F., 11 National Renewable Energy Laboratory (U.S.), 11 Sarasota County (Fla.) 11 Katz, Brian G. 10 Mularoni, R. A. 10 Northwest Florida Water Management District (Fla.) 10 Phelps, G. G. 10 Spechler, R. M. 10 U.S. Atomic Energy Commission, 10 Wolansky, R. M. 10 Yobbi, D. K. 10 Berndt, Marian P. 9 Big Cypress National Preserve (Agency : U.S.), 9 Educational Resources Information Center (U.S.) 9 Library of Congress. Congressional Research Service, 9 Marella, Richard L., 9 Merritt, Michael L. 9 Metropolitan Dade County (Fla.). Department of Environmental Resources Management 9 National Marine Sanctuary Program (U.S.) 9 National Wetlands Research Center (U.S.) 9 Ortiz, A. G. 9 Palm Beach County (Fla.) 9 Reedy Creek Improvement District (Fla.) 9 South Florida Natural Resources Center 9 Swain, Eric D., 9 Swancar, Amy 9 Tallahassee (Fla.) 9 Tampa Bay Water (Fla.) 9 Tihansky, A. B. 9 United States. Congress. Senate. Committee on Environment and Public Works 9 Woods Hole Oceanographic Institution 9 Andrews, William J., 1962- 8 Berndt, Marian P., 8 Brown, David P. 1947- 8 Fretwell, J. D. 8 Goodwin, Carl R. 8 Grubbs, J. W. 8 Halford, Keith J. 8 Leeworthy, Vernon R. 8 Lopez, M. A. 1927- 8 McGreevy, L. J. 1931- 8 National Institute for Occupational Safety and Health, 8 Reese, Ronald S. 8 Schiffer, Donna M. 8 Sonenshein, R. S. 8 Spechler, R. M., 8 Swain, Eric D. 8 United States. Army. Corps of Engineers. Jacksonville District 8