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Call Number Author Topic Genre Region Era

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

20th century 10,834 View Records 19th century 5,169 View Records 21st century 2,712 View Records 18th century 1,580 View Records 1564-1616 1,015 View Records Civil War, 1861-1865 986 View Records 17th century 968 View Records 1945- 885 View Records Cretaceous 838 View Records 1945-1989 741 View Records 16th century 589 View Records 1933-1945 551 View Records Revolution, 1775-1783 517 View Records 1946- 490 View Records 1989- 483 View Records Tertiary 446 View Records To 1500 441 View Records Quaternary 415 View Records 2009- 408 View Records 2001-2009 389 View Records Early modern, 1500-1700 383 View Records Colonial period, ca. 1600-1775 370 View Records 1991- 349 View Records Precambrian 346 View Records Paleozoic 334 View Records Cenozoic 293 View Records 1960- 279 View Records 1951- 272 View Records 2000- 261 View Records 1929 250 View Records Permian 249 View Records 1809-1865 239 View Records Eocene 235 View Records 1918-1945 225 View Records 1993-2001 223 View Records Jurassic 223 View Records Mesozoic 216 View Records 1981-2001 213 View Records 1949- 210 View Records Pennsylvanian 206 View Records Miocene 201 View Records 1947- 195 View Records Pleistocene 193 View Records 1948- 191 View Records Ordovician 189 View Records 1961-1970 187 View Records Devonian 174 View Records 1979- 170 View Records 1945-1953 168 View Records 1991-2000 168 View Records 1950- 167 View Records 1608-1674 165 View Records 1882-1945 165 View Records -1400 164 View Records 1917-1963 164 View Records Mississippian 164 View Records 1980- 162 View Records 1882-1941 160 View Records 1952- 158 View Records 1990- 154 View Records 1783-1865 148 View Records 1953-1961 148 View Records Triassic 148 View Records 1969- 147 View Records 1970- 147 View Records 1965- 144 View Records 1959- 139 View Records 1812-1870 137 View Records 1954- 136 View Records Civil War, 2011- 136 View Records 1981-1989 135 View Records 2001- 133 View Records 1993- 130 View Records Middle English, 1100-1500 130 View Records 1866-1895 127 View Records 1724-1804 125 View Records 1956- 125 View Records 1913-1994 124 View Records To 1775 124 View Records 1897-1962 123 View Records Cambrian 123 View Records 1958- 120 View Records 1819-1891 118 View Records 1951-1960 118 View Records World War, 1939-1945 118 View Records 1775-1865 117 View Records 2003- 117 View Records Revolution, 1789-1799 117 View Records 1975- 116 View Records 1997- 116 View Records 1775-1783 115 View Records 1961- 115 View Records Holocene 115 View Records Pliocene 114 View Records 1743-1826 113 View Records 1942- 113 View Records 1941- 112 View Records 1960-1980 112 View Records 1843-1916 110 View Records 1964- 110 View Records

Geological Survey (U.S.), 267 Geological Survey (U.S.) 240 Fox, J. E. 1943- 40 Cobban, William A., 1916-2015 38 Cobban, William A., 1916-2015, 28 Higley, Debra K. 24 Merewether, E. A. 1930- 16 Feltis, R. D. 1930- 15 Colorado Geological Survey 13 Johnson, Ronald C. 1950- 13 Jones, David Lawrence, 1930- 13 Roehler, Henry W. 13 Stephenson, Lloyd William, 1876-1962, 11 Sohl, Norman F. 1924-1993 10 Dyman, T. S. 9 Keefer, William R., 1924- 9 Molenaar, C. M. 8 Reeside, John B., Jr., 1889-1958, 8 Schultz, Leonard Gene, 1926- 8 Stephenson, Lloyd William, 1876-1962 8 United States. Department of Energy 8 Gill, James R. 1922-1972 7 Sanchez, J. D. 7 Finn, Thomas M., 6 Franczyk, Karen J. 6 Geological Survey of Wyoming 6 Imlay, Ralph W. 1908-1989 6 Kentucky Geological Survey 6 Knowlton, Frank Hall, 1860-1926 6 Knowlton, Frank Hall, 1860-1926, 6 Nichols, Douglas J. 6 Scott, Glenn R., 1918-2012 6 Sohl, Norman F. 1924-1993, 6 Tysdal, Russell G. 6 University of Wyoming. Department of Geology 6 Applin, Esther English Richards, 1895- 5 Gill, James R. 1922-1972, 5 Imlay, Ralph W. 1908-1989, 5 Kennedy, W. J. 5 Love, J. D. 1913-2002 5 National Assessment of Oil and Gas Project (U.S.) 5 Puerto Rico. Department of Industrial Research, 5 Reeside, John B., Jr., 1889-1958 5 Rice, Dudley D. 5 Roehler, Henry W., 5 ScienceDirect (Online service) 5 Smithsonian Institution. Press 5 Tschudy, Robert H. 5 Tschudy, Robert H., 5 United States. Bureau of Indian Affairs 5 Applin, Paul L. 4 Baird, J. K. 4 Berry, Edward Wilber, 1875-1945 4 Berry, Edward Wilber, 1875-1945, 4 Brown, Terrence L. 4 Dane, C. H. 1900-1968 4 Franczyk, Karen J., 4 Hettinger, Robert D. 4 Izett, Glen Arthur, 1928- 4 Mello, James F., 1936- 4 Nuccio, Vito F. 4 Pitman, Janet K. 4 SpringerLink (Online service) 4 Waagé, Karl M. 1915-1999, 4 White, Charles A. 1826-1910 4 Ambrose, Carol Morgans Tremain 3 Ash, Sidney R., 1928- 3 Aubrey, William M. 3 Brown, Roland W. 1893-1961, 3 Bryant, Bruce, 1930- 3 Bukry, David 3 Case, James E., 1933- 3 Clarke, Frank Wigglesworth, 1847-1931 3 Cooke, C. Wythe 1887-1971, 3 Dane, C. H. 1900-1968, 3 Diller, J. S. 1850-1928 3 Du Bray, E. A. 3 Elder, William P. 3 Fassett, James E. 3 Gohn, Gregory S. 3 Hardie, John K. 3 Hayes, Philip T. 1923- 3 Hollick, Charles Arthur, 1857-1933 3 Hook, Stephen C. 3 Houseknecht, David W. 3 Kauffman, Erle G. 1933- 3 Lyke, William L. 3 McMurry, Ronald G. 1959- 3 Molenaar, C. M., 3 Nuccio, Vito F., 3 Pierson, Charles Thomas, 1918- 3 Puerto Rico. Department of Industrial Research 3 Read, C. B., 3 Rocky Mountain Association of Geologists 3 Rubey, William Walden, 1898-1974 3 Sando, William Jasper 3 Sando, William Jasper, 3 Southern Ute Indian Tribe of the Southern Ute Reservation, Colorado 3 Stanton, T. W. 1860-1953 3 Stanton, T. W. 1860-1953, 3