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Call Number Author Topic Genre Region Era

By Alphabetical By Topic By Genre By Era

20th century 6,556 View Records 19th century 3,221 View Records 21st century 1,746 View Records 18th century 1,108 View Records Civil War, 1861-1865 989 View Records 1945- 805 View Records Cretaceous 792 View Records 1945-1989 654 View Records 17th century 644 View Records 1933-1945 545 View Records Revolution, 1775-1783 517 View Records 1989- 435 View Records 16th century 433 View Records Tertiary 430 View Records 2009- 408 View Records 1946- 400 View Records 2001-2009 389 View Records Quaternary 363 View Records 1991- 350 View Records Colonial period, ca. 1600-1775 347 View Records To 1500 325 View Records Paleozoic 309 View Records Precambrian 304 View Records Cenozoic 279 View Records 2000- 261 View Records Permian 237 View Records 1918-1945 227 View Records 1960- 223 View Records 1993-2001 223 View Records Eocene 223 View Records 1981-2001 218 View Records 1564-1616 214 View Records Jurassic 206 View Records Miocene 199 View Records Pennsylvanian 199 View Records Mesozoic 196 View Records 1951- 191 View Records 1929 187 View Records Ordovician 179 View Records Pleistocene 172 View Records 1945-1953 169 View Records Mississippian 163 View Records Devonian 160 View Records 1979- 159 View Records 1949- 158 View Records 1980- 155 View Records 1809-1865 154 View Records 1783-1865 148 View Records 1953-1961 148 View Records Triassic 140 View Records 1990- 137 View Records Civil War, 2011- 136 View Records 1981-1989 135 View Records 1882-1945 134 View Records 2001- 133 View Records Early modern, 1500-1700 133 View Records 1993- 127 View Records To 1775 124 View Records 1947- 123 View Records 1775-1865 117 View Records Revolution, 1789-1799 117 View Records 1775-1783 116 View Records 1997- 116 View Records 2003- 116 View Records 1960-1980 112 View Records Cambrian 109 View Records Pliocene 108 View Records 1969-1974 104 View Records Holocene 103 View Records World War, 1939-1945 102 View Records 1980-2020 101 View Records 1969- 100 View Records To 146 B.C. 99 View Records 1913-1994 98 View Records 1970- 98 View Records Oligocene 98 View Records To 1846 97 View Records 1917-1963 96 View Records Proterozoic 96 View Records 1976-2002 94 View Records 1952- 93 View Records 1975- 93 View Records 1981-1993 92 View Records 1865-1918 91 View Records 1988- 91 View Records 2016 91 View Records Carboniferous 91 View Records To 1848 90 View Records War of 1812 90 View Records 1949-1976 89 View Records 1959-1990 87 View Records 1963-1969 87 View Records 1948- 86 View Records 1815-1861 85 View Records 1965- 85 View Records Silurian 85 View Records 2002- 83 View Records 1858-1919 82 View Records 1889-1945 82 View Records 1789-1900 79 View Records

Utah 18 Colorado 16 Colorado Plateau 16 Chinle Formation 15 Nevada 12 Alaska 10 New Mexico 9 North America 9 Wyoming 8 Arizona 6 West (U.S.) 6 California 5 Virginia 5 Idaho 4 New Jersey 4 Bristol Region 3 China 3 Connecticut 3 Navajo Indian Reservation 3 Powder River Watershed (Wyo. and Mont.) 3 Southwest, New 3 Texas 3 United States 3 Barboursville Basin 2 Butte County 2 Chugwater Group (Wyo.) 2 Culpeper Basin (Va. and Md.) 2 Cutler Formation 2 Dockum Group 2 Eagle County 2 Emery County 2 Guadalupe County 2 Humboldt Range 2 Lisbon Valley 2 Maryland 2 Moffat County 2 Mohawk Canyon 2 North Carolina 2 Paradox Basin 2 Pitkin County 2 Powder River Basin (Wyo. and Mont.) 2 San Juan County 2 Santa Rosa Formation (N.M. and Tex.) 2 Seven Devils Mountains 2 Snake River Valley (Wyo.-Wash.) 2 Texas Panhandle 2 Union Wash Formation (Calif.) 2 Wrangell Mountains 2 British Columbia 1 Bucks County 1 California, Southern 1 Canada 1 Cannon Air Force Base 1 Connecticut River Valley 1 Danville Basin 1 Durango Region 1 Durham Region 1 Eagle Region 1 East (U.S.) 1 Gondwana (Continent) 1 Hopi Indian Reservation 1 Hopi Indian Reservation (Ariz.) 1 Inyo Mountains 1 Inyo Mountains (Calif.) 1 Inyo Mountains Region 1 Massachusetts 1 Montana 1 Montana, Southwestern 1 Monument Valley (Ariz. and Utah) 1 Nantucket Island 1 North Dakota 1 Nye County 1 Pennsylvania 1 Pershing County 1 Petrified Forest National Park 1 Petrified National Park 1 Qinling Mountains 1 San Juan Basin (N.M. and Colo.) 1 San Juan Mountains (Colo. and N.M.) 1 Union district 1 Vancouver Island 1 Washington County 1 Williston Basin 1 Yangtze River Region 1 Zuni Plateau 1