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Call Number Author Topic Genre Region Era

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

United States 185,826 View Records Colorado 28,589 View Records California 8,614 View Records Great Britain 7,121 View Records China 5,252 View Records Alaska 5,231 View Records Europe 3,888 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 3,154 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) 2,709 View Records Florida 2,475 View Records Idaho 2,352 View Records Japan 2,332 View Records India 2,256 View Records Mexico 2,116 View Records England 2,048 View Records France 2,039 View Records Germany 1,978 View Records North America 1,836 View Records Washington (D.C.) 1,749 View Records Pennsylvania 1,693 View Records Canada 1,619 View Records Africa 1,594 View Records Asia 1,568 View Records Soviet Union 1,457 View Records Russia (Federation) 1,452 View Records Virginia 1,408 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 1,302 View Records North Carolina 1,247 View Records Southern States 1,230 View Records Louisiana 1,225 View Records Minnesota 1,197 View Records Hawaii 1,196 View Records Italy 1,173 View Records Michigan 1,166 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 Georgia 990 View Records New York 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 714 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 606 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 451 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.) 257 Geological Survey (U.S.), 151 Cuyahoga Valley National Park (Agency : U.S.), 40 United States. Forest Service, 38 Ohio. Department of Transportation 30 United States, 30 Dumouchelle, D. H. 26 United States. National Park Service, 23 United States. Federal Highway Administration 21 United States. Forest Service 19 Ohio. Division of Reclamation 18 Ohio Water Development Authority 17 Ohio. Division of Water 17 United States. Department of the Army 17 United States. Congress. House. Committee on Transportation and Infrastructure 16 United States. Environmental Protection Agency 16 United States. National Park Service 16 Francy, Donna S. 15 Koltun, G. F. 15 Cuyahoga Valley National Park (Agency : U.S.) 14 Columbus (Ohio) 13 Koltun, G. F., 12 Brady, Amie M. G. 1975- 11 National Institute for Occupational Safety and Health, 11 Darner, Robert A. 10 Educational Resources Information Center (U.S.) 10 Sheets, Rodney A. 1962- 10 Sherwood, James M. 1952- 10 United States. Congress. Senate. Committee on Energy and Natural Resources 10 Miami Conservancy District (Ohio) 9 Schalk, Charles W. 9 United States. Bureau of Labor Statistics 9 United States. Congress. House. Committee on Resources 9 Francy, Donna S., 8 National Water-Quality Assessment Program (U.S.) 8 Oblinger, Carolyn J. 8 Ohio. Department of Natural Resources 8 United States. Forest Service. Eastern Region 8 Wright-Patterson Air Force Base (Ohio) 8 Midwest Archeological Center (U.S.), 7 New Martinsville (W. Va.) 7 Northeast Ohio Regional Sewer District (Ohio) 7 Ohio EPA 7 Ostheimer, Chad J., 7 Spieker, Andrew Maute, 1932- 7 USGS Ohio Water Science Center 7 United States. Administration on Aging 7 Bair, E. Scott 6 Miller, Kimberly F. 6 Muskingum Watershed Conservancy District (Ohio) 6 United States. Bureau of Labor Statistics, 6 United States. Congress. House. Committee on Natural Resources, 6 United States. Environmental Protection Agency. Office of Air Quality Planning and Standards 6 United States. Environmental Protection Agency. Office of Research and Development 6 Bair, E. Scott, 5 Breen, Kevin J. 5 Breen, Kevin J., 5 Bushon, Rebecca N. 5 Cunningham, William L. 5 Geauga County Planning Commission 5 Geological Survey of Ohio 5 Haefner, Ralph J. 5 Kula, Stephanie P. 1971- 5 Lewis Research Center 5 Straub, David E. 5 Uhlenbrock, Penny, 5 United States. Congress. Senate. Committee on Energy and Natural Resources, 5 United States. Congress. Senate. Committee on Veterans' Affairs 5 United States. Forest Service. Northern Research Station, 5 United States. National Forest Service, 5 Atkins, John T. 4 Bartlett, William P. 1948- 4 Bownocker, J. A. 1865-1928 4 Campbell, Marius R. 1858-1940 4 Columbus (Ohio). Division of Water 4 De Roche, Jeffrey T. 4 Hindall, S. M. 4 Hren, Janet 4 Jones, Rick L. 4 Marshall, R. B. 1867-1949 4 Marshall, R. B. 1867-1949, 4 Morrison, Toni 4 Northeastern Forest Experiment Station (Radnor, Pa.) 4 Oblinger, Carolyn J., 4 Ohio. Division of Geological Survey 4 Razem, Allan C. 4 Razem, Allan C., 4 Rowe, Gary L. 4 Schalk, Charles W., 4 Sedam, Alan C. 4 U.S. Nuclear Regulatory Commission. Office of Nuclear Reactor Regulation, 4 United States. Animal and Plant Health Inspection Service. Marketing and Regulatory Programs, 4 United States. Congress. House. Committee on Financial Services. Subcommittee on Housing and Community Opportunity 4 United States. Congress. House. Committee on Natural Resources 4 United States. Congress. House. Committee on Public Works and Transportation 4 United States. National Park Service. Denver Service Center 4 Whitehead, Matthew T., 4 Wilson, Karen S. 4 Aeronautical Systems Center (U.S.) 3 Battelle Memorial Institute 3