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Format
Article Type
Journal
Publisher
Section
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Antarctica (1)
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Asia
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Arabian Peninsula
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Oman (1)
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Far East
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China (4)
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Indonesia
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Java (1)
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Taiwan (1)
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Indian Peninsula
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India (2)
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Siberian Platform (1)
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Tien Shan (1)
-
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Atlantic Ocean
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North Atlantic
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North Sea
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Brent Field (1)
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Ekofisk Field (1)
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Valhall Field (1)
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Atlantic Ocean Islands
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Bermuda (1)
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Australasia
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Australia
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Victoria Australia (2)
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Western Australia
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Canning Basin (1)
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New Zealand (1)
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Bathurst Island (1)
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Black Hills (1)
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Cache Valley (2)
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Canada
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Eastern Canada
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Maritime Provinces
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New Brunswick (1)
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Newfoundland and Labrador
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Newfoundland (1)
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Ontario
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Manitoulin District Ontario
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Manitoulin Island (2)
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Ottawa Ontario (1)
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Simcoe County Ontario
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Borden Ontario (1)
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Quebec
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Anticosti Island (1)
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Western Canada
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Alberta (2)
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British Columbia (1)
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Canadian Rocky Mountains (1)
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Manitoba
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Northwest Territories (2)
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Cape Ann (1)
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Caribbean region
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West Indies
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Antilles
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Greater Antilles
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Jamaica (1)
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Puerto Rico (1)
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Lesser Antilles
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Barbados (1)
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Bahamas (1)
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Clear Creek (1)
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Commonwealth of Independent States
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Russian Federation
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Europe
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Alps
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Baltic region
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Estonia (3)
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Central Europe
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Germany (1)
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Donets Basin (1)
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Pyrenees (1)
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Southern Europe
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Iberian Peninsula
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Yugoslavia (1)
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Western Europe
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Netherlands (2)
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Scandinavia
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Denmark
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Sweden
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United Kingdom
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Great Britain
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England
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Lincolnshire England (1)
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Scotland (2)
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Wales
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South Wales (1)
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Northern Ireland (1)
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Green River (1)
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Highland Rim (1)
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Hunter Valley (1)
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Lewis Creek (1)
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Mammoth Cave (12)
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Mediterranean Sea
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East Mediterranean
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Adriatic Sea (1)
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Mexico
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Coahuila Mexico (2)
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Guerrero Mexico (1)
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Mill Creek (1)
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Mohawk Valley (1)
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New River (1)
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North America
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Appalachian Basin (49)
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Appalachians
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Appalachian Plateau (10)
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Blue Ridge Mountains (1)
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Blue Ridge Province (1)
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Central Appalachians (14)
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Cumberland Plateau (1)
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Northern Appalachians (1)
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Piedmont
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Inner Piedmont (1)
-
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Southern Appalachians (8)
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Valley and Ridge Province (7)
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Eastern Overthrust Belt (1)
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Grenville Front (3)
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Gulf Coastal Plain (1)
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Michigan Basin (5)
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Mississippi River basin (1)
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Niagara Escarpment (1)
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North American Craton (1)
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Rocky Mountains
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Canadian Rocky Mountains (1)
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U. S. Rocky Mountains
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Sangre de Cristo Mountains (1)
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Saint Lawrence Lowlands (1)
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Western Interior (2)
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North Island (1)
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Oceania
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Melanesia (1)
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Pacific Ocean
-
East Pacific (1)
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South Pacific
-
Southwest Pacific
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Coral Sea
-
Great Barrier Reef (1)
-
-
-
-
West Pacific
-
Southwest Pacific
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Coral Sea
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Great Barrier Reef (1)
-
-
-
-
-
Permian Basin (1)
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Pine Mountain Fault (2)
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Redwood Creek (1)
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Rome Trough (6)
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San Andreas Fault (1)
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San Juan River (1)
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Seymour Island (1)
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Sierra Nevada (2)
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Solomon Islands (1)
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South America
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Argentina
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Neuquen Argentina (1)
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Venezuela (1)
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United States
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Alabama
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Etowah County Alabama (1)
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Franklin County Alabama (1)
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Madison County Alabama (1)
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Alaska
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Aleutian Islands (1)
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Arizona
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Pima County Arizona
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Tucson Arizona (2)
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Arkansas
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Mississippi County Arkansas (1)
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Poinsett County Arkansas (1)
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Searcy County Arkansas (2)
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Washington County Arkansas (1)
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Atlantic Coastal Plain (1)
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Blue Ridge Mountains (1)
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California
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Los Angeles County California
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Orange County California (1)
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San Francisco Bay region (1)
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San Francisco County California
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San Francisco California (1)
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San Mateo County California (1)
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Santa Clara County California
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San Jose California (1)
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Catskill Delta (1)
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Cincinnati Arch (47)
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Colorado (3)
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Denver Basin (1)
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Dunkard Basin (2)
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Eastern U.S. (18)
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Florida (3)
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Georgia
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Catoosa County Georgia (1)
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Walker County Georgia (1)
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Idaho
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Bonneville County Idaho (1)
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Illinois
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Alexander County Illinois (8)
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Calhoun County Illinois (1)
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Clinton County Illinois (1)
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Coles County Illinois (1)
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Crawford County Illinois (2)
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Effingham County Illinois (3)
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Fayette County Illinois (3)
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Franklin County Illinois (5)
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Gallatin County Illinois (4)
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Hamilton County Illinois (4)
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Hancock County Illinois (3)
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Hardin County Illinois (11)
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Jackson County Illinois (8)
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Jasper County Illinois (1)
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Jefferson County Illinois (6)
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Jersey County Illinois (1)
-
Johnson County Illinois (8)
-
Lawrence County Illinois (4)
-
Marion County Illinois (1)
-
Massac County Illinois (5)
-
Monroe County Illinois (1)
-
Pope County Illinois (5)
-
Pulaski County Illinois (2)
-
Randolph County Illinois (2)
-
Richland County Illinois (4)
-
Saline County Illinois (10)
-
Sangamon County Illinois
-
Springfield Illinois (1)
-
-
Tazewell County Illinois (1)
-
Union County Illinois (6)
-
Wabash County Illinois (8)
-
Wayne County Illinois (1)
-
White County Illinois (5)
-
Williamson County Illinois (6)
-
-
Illinois Basin (74)
-
Indiana
-
Bartholomew County Indiana (3)
-
Brown County Indiana (2)
-
Clark County Indiana (1)
-
Clay County Indiana (2)
-
Crawford County Indiana (4)
-
Daviess County Indiana (2)
-
Dearborn County Indiana (6)
-
Franklin County Indiana (2)
-
Gibson County Indiana (5)
-
Greene County Indiana (3)
-
Harrison County Indiana (3)
-
Jackson County Indiana (4)
-
Jefferson County Indiana (4)
-
Jennings County Indiana (4)
-
Knox County Indiana (2)
-
Lawrence County Indiana (12)
-
Martin County Indiana (2)
-
Monroe County Indiana (17)
-
Montgomery County Indiana (3)
-
Morgan County Indiana (1)
-
Orange County Indiana (4)
-
Owen County Indiana (3)
-
Parke County Indiana (1)
-
Perry County Indiana (1)
-
Pike County Indiana (4)
-
Posey County Indiana (9)
-
Putnam County Indiana (1)
-
Ripley County Indiana (2)
-
Rush County Indiana (1)
-
Scott County Indiana (1)
-
Shelby County Indiana (2)
-
Spencer County Indiana (2)
-
Sullivan County Indiana (5)
-
Switzerland County Indiana (3)
-
Vanderburgh County Indiana (8)
-
Vigo County Indiana (1)
-
Warrick County Indiana (6)
-
White County Indiana (1)
-
-
Iowa
-
Adair County Iowa (1)
-
Clinton County Iowa (1)
-
Keokuk County Iowa (1)
-
Lee County Iowa (2)
-
Van Buren County Iowa (1)
-
-
Kansas
-
Johnson County Kansas (1)
-
Linn County Kansas (1)
-
Miami County Kansas (1)
-
Wilson County Kansas (1)
-
-
Kentucky
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Allen County Kentucky (2)
-
Anderson County Kentucky (2)
-
Ballard County Kentucky (2)
-
Bath County Kentucky (10)
-
Boone County Kentucky (7)
-
Boyd County Kentucky (2)
-
Boyle County Kentucky (3)
-
Bracken County Kentucky (7)
-
Breathitt County Kentucky (1)
-
Breckinridge County Kentucky (1)
-
Bullitt County Kentucky (2)
-
Caldwell County Kentucky (4)
-
Campbell County Kentucky (8)
-
Carlisle County Kentucky (3)
-
Carter County Kentucky (7)
-
Christian County Kentucky (3)
-
Clark County Kentucky (1)
-
Clinton County Kentucky (9)
-
Crittenden County Kentucky (4)
-
Cumberland County Kentucky (7)
-
Eastern Kentucky coal field (5)
-
Edmonson County Kentucky (12)
-
Elliott County Kentucky (6)
-
Estill County Kentucky (4)
-
Fayette County Kentucky (5)
-
Fleming County Kentucky
-
Maxey Flats (1)
-
-
Floyd County Kentucky (5)
-
Franklin County Kentucky (4)
-
Fulton County Kentucky (1)
-
Gallatin County Kentucky (1)
-
Garrard County Kentucky (1)
-
Grant County Kentucky (1)
-
Grayson County Kentucky (1)
-
Green County Kentucky (2)
-
Greenup County Kentucky (2)
-
Hancock County Kentucky (1)
-
Hardin County Kentucky (6)
-
Harlan County Kentucky (1)
-
Hart County Kentucky (1)
-
Henderson County Kentucky (4)
-
Hickman County Kentucky (1)
-
Hopkins County Kentucky (4)
-
Jackson County Kentucky (1)
-
Jefferson County Kentucky
-
Louisville Kentucky (3)
-
-
Jessamine County Kentucky (1)
-
Johnson County Kentucky (2)
-
Kenton County Kentucky (4)
-
Kentucky River (2)
-
Larue County Kentucky (1)
-
Laurel County Kentucky (1)
-
Lawrence County Kentucky (1)
-
Leslie County Kentucky (3)
-
Letcher County Kentucky (1)
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Lewis County Kentucky (6)
-
Lincoln County Kentucky (2)
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Livingston County Kentucky (2)
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Logan County Kentucky (1)
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Madison County Kentucky (3)
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Magoffin County Kentucky (2)
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Marion County Kentucky (1)
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Martin County Kentucky (3)
-
Mason County Kentucky (7)
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McCracken County Kentucky (4)
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McCreary County Kentucky (3)
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McLean County Kentucky (1)
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Meade County Kentucky (5)
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Menifee County Kentucky (6)
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Monroe County Kentucky (1)
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Montgomery County Kentucky (1)
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Moorman Syncline (1)
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Morgan County Kentucky (2)
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Muhlenberg County Kentucky (3)
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Nelson County Kentucky (2)
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Ohio County Kentucky (3)
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Oldham County Kentucky (1)
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Pendleton County Kentucky (2)
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Perry County Kentucky (5)
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Pike County Kentucky (5)
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Powell County Kentucky (5)
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Pulaski County Kentucky (2)
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Rockcastle County Kentucky (1)
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Rough Creek fault zone (9)
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Rowan County Kentucky (10)
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Russell County Kentucky (10)
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Scott County Kentucky (1)
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Simpson County Kentucky (1)
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Taylor County Kentucky (2)
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Trimble County Kentucky (3)
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Union County Kentucky (6)
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Warren County Kentucky (4)
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Webster County Kentucky (6)
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Whitley County Kentucky (1)
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Wolfe County Kentucky (3)
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Woodford County Kentucky
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Versailles Kentucky (2)
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Maryland
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Allegany County Maryland (1)
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Anne Arundel County Maryland (1)
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Garrett County Maryland (1)
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Washington County Maryland (1)
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Massachusetts
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Essex County Massachusetts (1)
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Middlesex County Massachusetts (1)
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Suffolk County Massachusetts
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Boston Massachusetts (1)
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Michigan
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Michigan Lower Peninsula
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Calhoun County Michigan (1)
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Midcontinent (19)
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Midwest (32)
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Minnesota
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Hennepin County Minnesota
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Mississippi (17)
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Mississippi Embayment (24)
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Mississippi River (6)
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Mississippi Valley
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Missouri
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Cape Girardeau County Missouri (5)
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Clark County Missouri (1)
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Cooper County Missouri (2)
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Crawford County Missouri (1)
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Dunklin County Missouri (1)
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Mississippi County Missouri (2)
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New Madrid County Missouri
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Pemiscot County Missouri (1)
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Perry County Missouri (2)
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Pike County Missouri (1)
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Saint Louis County Missouri
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Saint Louis Missouri (3)
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Sainte Genevieve County Missouri (1)
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Scott County Missouri (3)
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Stoddard County Missouri (1)
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Viburnum Trend (1)
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Missouri River (2)
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Montana (5)
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Nashville Dome (3)
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Nevada (2)
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New Hampshire (1)
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New Madrid region (67)
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New Mexico
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Eddy County New Mexico
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Carlsbad Caverns (1)
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New York
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Broome County New York
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Binghamton New York (1)
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Chenango County New York (1)
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Erie County New York (1)
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Greene County New York (1)
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Monroe County New York (1)
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New York City New York (2)
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Onondaga County New York (1)
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Otsego County New York (1)
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Schoharie County New York (1)
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Tompkins County New York
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Ithaca New York (1)
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North Carolina
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Mitchell County North Carolina (1)
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Ohio
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Adams County Ohio (7)
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Athens County Ohio
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Athens Ohio (1)
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Brown County Ohio (2)
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Butler County Ohio (4)
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Clermont County Ohio (10)
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Coshocton County Ohio (1)
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Delaware County Ohio (1)
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Franklin County Ohio (1)
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Gallia County Ohio (1)
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Greene County Ohio (1)
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Hamilton County Ohio
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Cincinnati Ohio (32)
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Highland County Ohio (3)
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Jackson County Ohio (5)
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Jefferson County Ohio
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Steubenville Ohio (1)
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Lawrence County Ohio (1)
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Meigs County Ohio (1)
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Muskingum County Ohio (1)
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Perry County Ohio (1)
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Pickaway County Ohio (1)
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Pike County Ohio (2)
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Ross County Ohio (1)
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Scioto County Ohio (5)
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Vinton County Ohio (1)
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Warren County Ohio (3)
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Wayne County Ohio (1)
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Ohio River (9)
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Ohio River basin (3)
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Ohio River valley (12)
-
Oklahoma
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Arbuckle Mountains (1)
-
Cleveland County Oklahoma (1)
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Murray County Oklahoma (2)
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Okmulgee County Oklahoma (1)
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Oregon (1)
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Ouachita Mountains (1)
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Ozark Mountains (1)
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Pennsylvania
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Allegheny County Pennsylvania (1)
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Conemaugh River (1)
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Erie County Pennsylvania (1)
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Fayette County Pennsylvania (1)
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Huntingdon County Pennsylvania (1)
-
-
Pulaski thrust sheet (1)
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Reelfoot Rift (12)
-
South Carolina
-
Charleston County South Carolina
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Charleston South Carolina (2)
-
-
Chester County South Carolina (1)
-
-
South Dakota
-
Custer County South Dakota (1)
-
-
Southern U.S. (5)
-
Tennessee
-
Campbell County Tennessee (2)
-
Claiborne County Tennessee (3)
-
Clay County Tennessee (2)
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Davidson County Tennessee (1)
-
Dyer County Tennessee (1)
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Grainger County Tennessee (2)
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Grundy County Tennessee (1)
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Hancock County Tennessee (3)
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Humphreys County Tennessee (1)
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Lake County Tennessee (3)
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Lauderdale County Tennessee (1)
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Lawrence County Tennessee (1)
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Macon County Tennessee (1)
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Montgomery County Tennessee (2)
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Obion County Tennessee (1)
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Overton County Tennessee (1)
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Pickett County Tennessee (5)
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Shelby County Tennessee
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Memphis Tennessee (4)
-
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Stewart County Tennessee (3)
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Sullivan County Tennessee (1)
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Tipton County Tennessee (1)
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Washington County Tennessee (1)
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Tennessee Valley (1)
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Texas
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Brewster County Texas (1)
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Burnet County Texas (1)
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Fort Worth Basin (1)
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Hood County Texas (1)
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Llano County Texas
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Llano Texas (1)
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McCulloch County Texas (1)
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West Texas (2)
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U. S. Rocky Mountains
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Sangre de Cristo Mountains (1)
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Utah (3)
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Virginia
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Buchanan County Virginia (1)
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Giles County Virginia (1)
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Lee County Virginia (4)
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Rockbridge County Virginia (1)
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Russell County Virginia (1)
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Wabash Valley (28)
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Wasatch fault zone (1)
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Washington
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Hanford Site (2)
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West Virginia
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Wayne County West Virginia (7)
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Wood County West Virginia (1)
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Wisconsin
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Wyoming (2)
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commodities
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construction materials
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energy sources (16)
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metal ores
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base metals (3)
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chemical ratios (2)
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hydrogen
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stable isotopes
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C-13/C-12 (15)
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S-34/S-32 (4)
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Sr-87/Sr-86 (4)
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metals
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actinides
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uranium (2)
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alkali metals
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cesium
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Cs-137 (1)
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potassium (1)
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sodium (3)
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alkaline earth metals
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barium (1)
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beryllium
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Be-10 (4)
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calcium
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Mg/Ca (2)
-
-
magnesium
-
Mg/Ca (2)
-
-
strontium
-
Sr-87/Sr-86 (4)
-
-
-
aluminum
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Al-26 (4)
-
-
arsenic (2)
-
gold (1)
-
iron
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ferric iron (2)
-
-
lead
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
-
manganese (3)
-
platinum group
-
platinum (1)
-
-
rare earths
-
cerium (1)
-
neodymium
-
Nd-144/Nd-143 (1)
-
-
yttrium (1)
-
-
technetium
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Tc-99 (1)
-
-
vanadium (2)
-
zinc (5)
-
-
nitrogen
-
N-15/N-14 (2)
-
-
noble gases
-
helium (1)
-
radon (2)
-
-
oxygen
-
O-18/O-16 (9)
-
-
short-lived isotopes (1)
-
sulfur
-
organic sulfur (1)
-
S-34/S-32 (4)
-
-
-
fossils
-
bacteria
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coliform bacteria
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Escherichia
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Escherichia coli (1)
-
-
-
-
borings (5)
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burrows (6)
-
Chordata
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Vertebrata
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Pisces
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Chondrichthyes
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Elasmobranchii (2)
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Holocephali (2)
-
-
Osteichthyes
-
Actinopterygii (2)
-
-
-
Tetrapoda
-
Amphibia
-
Lepospondyli (1)
-
-
Mammalia
-
Theria
-
Eutheria
-
Proboscidea
-
Elephantoidea
-
Elephantidae
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Mammuthus (1)
-
-
-
-
-
-
-
Reptilia
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Synapsida
-
Pelycosauria (1)
-
-
-
-
-
-
Cyclostomata (2)
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fungi (1)
-
Graptolithina
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Graptoloidea (1)
-
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ichnofossils
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Chondrites ichnofossils (1)
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Planolites (1)
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Rhizocorallium (1)
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Teichichnus (1)
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Trypanites (2)
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Zoophycos (1)
-
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Invertebrata
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Arthropoda
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Chelicerata
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Arachnida (1)
-
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Mandibulata
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Crustacea
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Branchiopoda (1)
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Ostracoda
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Beyrichicopina (1)
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Podocopida (1)
-
-
-
Insecta
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Pterygota
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Neoptera
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Exopterygota
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Orthoptera (1)
-
Protorthoptera (1)
-
-
-
-
-
Myriapoda (1)
-
-
Trilobitomorpha
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Trilobita
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Phacopida (1)
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Ptychopariida
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Cryptolithus (3)
-
Proetidae (1)
-
-
-
-
-
Brachiopoda
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Articulata
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Orthida (2)
-
Strophomenida
-
Sowerbyella (5)
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Strophomena (1)
-
-
-
Inarticulata
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Lingula (1)
-
-
-
Bryozoa
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Cheilostomata (1)
-
Cryptostomata (2)
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Cystoporata (1)
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Trepostomata (8)
-
-
Cnidaria
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Anthozoa
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Zoantharia
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Rugosa (6)
-
Tabulata (1)
-
-
-
Hydrozoa (1)
-
Scyphozoa
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Conulariida (1)
-
-
-
Echinodermata
-
Asterozoa
-
Stelleroidea
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Asteroidea (1)
-
Ophiuroidea (1)
-
-
-
Crinozoa
-
Blastoidea (9)
-
Crinoidea (61)
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Cystoidea (3)
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Paracrinoidea (2)
-
-
Echinozoa
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Cyclocystoidea (1)
-
Echinoidea (3)
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Edrioasteroidea (10)
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Holothuroidea (1)
-
Ophiocistioidea (1)
-
-
Homalozoa
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Stylophora (1)
-
-
-
Mollusca
-
Bivalvia
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Pterioida
-
Pteriina
-
Anthraconaia (1)
-
-
-
-
Cephalopoda
-
Ammonoidea
-
Goniatitida
-
Goniatitidae
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Goniatites (1)
-
-
-
-
Nautiloidea (4)
-
-
Gastropoda (19)
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Monoplacophora (2)
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Polyplacophora (2)
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Rostroconchia (2)
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Scaphopoda (1)
-
-
Porifera
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Stromatoporoidea (5)
-
-
Protista
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Foraminifera
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Fusulinina
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Fusulinidae (3)
-
-
-
-
Vermes
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Annelida (2)
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Polychaeta (1)
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scolecodonts (1)
-
-
-
microfossils
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Charophyta (1)
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Chitinozoa (3)
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Conodonta
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Gondolella (1)
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Neognathodus (3)
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Spathognathodus (1)
-
-
Fusulinina
-
Fusulinidae (3)
-
-
problematic microfossils (2)
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scolecodonts (1)
-
-
palynomorphs
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acritarchs (4)
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Chitinozoa (3)
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megaspores (1)
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miospores
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pollen (1)
-
-
-
Plantae
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algae
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Chlorophyta
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Charophyta (1)
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Tasmanites (1)
-
-
Phaeophyta (1)
-
-
Pteridophyta
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Filicopsida (2)
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Lycopsida
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Lepidodendron (1)
-
-
Sphenopsida (2)
-
-
Spermatophyta
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Angiospermae (1)
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Gymnospermae
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Coniferales
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Picea (1)
-
-
Cordaitales (1)
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Cycadales (3)
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Pteridospermae
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Neuropteris (1)
-
-
-
-
-
problematic fossils
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problematic microfossils (2)
-
-
thallophytes (7)
-
tracks (3)
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trails (1)
-
-
geochronology methods
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(U-Th)/He (1)
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Ar/Ar (1)
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exposure age (1)
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K/Ar (1)
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optically stimulated luminescence (2)
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paleomagnetism (4)
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racemization (1)
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Rb/Sr (1)
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Sm/Nd (1)
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tephrochronology (1)
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thermoluminescence (1)
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tree rings (1)
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U/Pb (4)
-
-
geologic age
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Cenozoic
-
Quaternary
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Holocene
-
upper Holocene (7)
-
-
Pleistocene
-
Illinoian (1)
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lower Pleistocene (1)
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Matuyama Chron (1)
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Peoria Loess (2)
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Roxana Silt (1)
-
upper Pleistocene
-
Wisconsinan
-
upper Wisconsinan (2)
-
-
-
-
upper Quaternary (3)
-
-
Tertiary
-
Neogene
-
Pliocene (2)
-
-
Paleogene
-
Eocene
-
Absaroka Supergroup (1)
-
lower Eocene
-
Wind River Formation (1)
-
-
middle Eocene
-
Claiborne Group (1)
-
-
upper Eocene
-
Jackson Group (1)
-
-
-
Paleocene
-
lower Paleocene
-
Danian (1)
-
-
-
-
-
upper Cenozoic (1)
-
-
Mesozoic
-
Cretaceous
-
Upper Cretaceous
-
Blackhawk Formation (1)
-
Campanian (1)
-
Senonian (1)
-
-
-
Jurassic
-
Middle Jurassic
-
Aalenian (1)
-
-
Upper Jurassic
-
Tithonian (1)
-
-
-
Vaca Muerta Formation (1)
-
-
Paleozoic
-
Bedford Shale (5)
-
Berea Sandstone (9)
-
Cambrian
-
Conasauga Group (3)
-
Lower Cambrian
-
Rome Formation (1)
-
-
Upper Cambrian
-
Copper Ridge Dolomite (3)
-
Eau Claire Formation (1)
-
Maynardville Limestone (1)
-
Mount Simon Sandstone (8)
-
-
-
Carboniferous
-
Lower Carboniferous
-
Dinantian (4)
-
-
Middle Carboniferous (1)
-
Mississippian
-
Barnett Shale (1)
-
Borden Group (24)
-
Harrodsburg Limestone (7)
-
Logan Formation (1)
-
Lower Mississippian
-
Chappel Limestone (1)
-
Chouteau Limestone (1)
-
Cuyahoga Formation (3)
-
Fort Payne Formation (21)
-
Kinderhookian (2)
-
Osagian
-
Burlington Limestone (3)
-
Keokuk Limestone (7)
-
-
Pocono Formation (1)
-
Tournaisian (2)
-
-
Middle Mississippian
-
Visean (9)
-
-
Newman Limestone (11)
-
Price Formation (1)
-
Ramp Creek Formation (6)
-
Sunbury Shale (7)
-
Upper Mississippian
-
Chesterian
-
Aux Vases Sandstone (4)
-
Cypress Sandstone (2)
-
Golconda Formation (3)
-
Imo Formation (3)
-
Renault Formation (3)
-
-
Greenbrier Limestone (1)
-
Meramecian
-
Saint Louis Limestone (7)
-
Sainte Genevieve Limestone (10)
-
Salem Limestone (12)
-
Warsaw Formation (7)
-
-
Pennington Formation (5)
-
-
Valmeyeran (4)
-
-
Namurian (4)
-
Pennsylvanian
-
Brazil Formation (1)
-
Conemaugh Group (10)
-
Excello Shale (1)
-
Freeport Formation (1)
-
Herrin Coal Member (8)
-
Kittanning Formation (1)
-
Lower Pennsylvanian
-
Bashkirian (1)
-
Caseyville Formation (4)
-
Lee Formation (8)
-
Morrowan (2)
-
Pocahontas Formation (2)
-
-
Mansfield Formation (6)
-
Mattoon Formation (6)
-
Middle Pennsylvanian
-
Allegheny Group (5)
-
Atokan
-
Atoka Formation (1)
-
-
Breathitt Formation (16)
-
Carbondale Formation (11)
-
Desmoinesian
-
Labette Shale (1)
-
-
Dugger Formation (2)
-
Kanawha Formation (5)
-
Moscovian (2)
-
Petersburg Formation (1)
-
Tradewater Formation (1)
-
-
Monongahela Group (3)
-
Pittsburgh Coal (1)
-
Pottsville Group (5)
-
Springfield Coal Member (5)
-
Upper Pennsylvanian
-
Glenshaw Formation (1)
-
Kasimovian (1)
-
Missourian (3)
-
Sturgis Formation (2)
-
-
-
Upper Carboniferous
-
Stephanian (1)
-
Westphalian (7)
-
-
-
Chattanooga Shale (7)
-
Devonian
-
Lower Devonian
-
Oriskany Sandstone (1)
-
-
Middle Devonian
-
Boyle Dolomite (3)
-
Columbus Limestone (1)
-
Givetian (4)
-
Hamilton Group (2)
-
Jeffersonville Limestone (2)
-
Marcellus Shale (1)
-
Onondaga Limestone (2)
-
Saint Laurent Limestone (1)
-
-
Millboro Shale (1)
-
Upper Devonian
-
Cleveland Member (4)
-
Famennian (5)
-
Frasnian (3)
-
Hampshire Formation (1)
-
Huron Member (7)
-
Ohio Shale (17)
-
Olentangy Shale (1)
-
West Falls Formation (1)
-
-
-
Knox Group (8)
-
lower Paleozoic
-
Rose Run Sandstone (4)
-
-
New Albany Shale (13)
-
Ordovician
-
Clays Ferry Formation (3)
-
Lexington Limestone (12)
-
Lower Ordovician
-
Beekmantown Group (1)
-
Mascot Dolomite (1)
-
-
Martinsburg Formation (1)
-
Middle Ordovician
-
Blackriverian (2)
-
Bromide Formation (3)
-
Decorah Shale (2)
-
Deicke Bentonite Bed (1)
-
High Bridge Group (1)
-
Millbrig Bentonite Bed (2)
-
Saint Peter Sandstone (4)
-
-
Trenton Group (2)
-
Upper Ordovician
-
Ashgillian (3)
-
Caradocian (1)
-
Cincinnatian
-
Maysvillian (9)
-
Richmondian (6)
-
-
Edenian (8)
-
Fairview Formation (17)
-
Hirnantian (2)
-
Juniata Formation (1)
-
Katian (15)
-
Kope Formation (33)
-
Maquoketa Formation (2)
-
Mohawkian (3)
-
Sandbian (1)
-
Trentonian (3)
-
Whitewater Formation (2)
-
-
Utica Shale (1)
-
Viola Limestone (1)
-
Womble Shale (1)
-
-
Permian (3)
-
Silurian
-
Bass Islands Dolomite (1)
-
Crab Orchard Formation (1)
-
Lockport Formation (3)
-
Lower Silurian
-
Alexandrian (1)
-
Brassfield Formation (10)
-
Llandovery
-
Aeronian (1)
-
Rhuddanian (1)
-
Telychian (1)
-
-
Wenlock (6)
-
-
Middle Silurian
-
Clinton Group (1)
-
Keefer Sandstone (4)
-
McKenzie Formation (3)
-
Waldron Shale (4)
-
-
Niagaran (4)
-
Upper Silurian
-
Cayugan
-
Tonoloway Limestone (1)
-
-
Ludlow (1)
-
-
-
upper Paleozoic (3)
-
-
Precambrian
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (2)
-
Neoproterozoic (1)
-
-
-
-
-
igneous rocks
-
igneous rocks
-
kimberlite (3)
-
plutonic rocks
-
diorites
-
tonalite (1)
-
-
gabbros
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norite (1)
-
-
granites (1)
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granodiorites (1)
-
quartz monzonite (1)
-
ultramafics
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pyroxenite
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websterite (1)
-
-
-
-
volcanic rocks
-
glasses (1)
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pyroclastics (2)
-
-
-
volcanic ash (2)
-
-
metamorphic rocks
-
K-bentonite (5)
-
metamorphic rocks
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marbles (1)
-
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turbidite (1)
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meteorites
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meteorites (2)
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-
minerals
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carbonates
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aragonite (3)
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calcite (8)
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dolomite (4)
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strontianite (1)
-
-
halides
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chlorides
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halite (1)
-
-
fluorides
-
fluorite (5)
-
-
-
K-bentonite (5)
-
minerals (9)
-
oxides
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goethite (2)
-
hematite (2)
-
ilmenite (1)
-
iron oxides (1)
-
lepidocrocite (1)
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magnetite (3)
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manganese oxides (1)
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spinel (1)
-
-
phosphates
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apatite (2)
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monazite (1)
-
-
silicates
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chain silicates
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pyroxene group (1)
-
-
framework silicates
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silica minerals
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quartz (4)
-
-
-
orthosilicates
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nesosilicates
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zircon group
-
zircon (4)
-
-
-
-
sheet silicates
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chlorite group
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chamosite (1)
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chlorite (3)
-
-
clay minerals
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halloysite (1)
-
kaolinite (2)
-
metahalloysite (1)
-
montmorillonite (1)
-
smectite (4)
-
vermiculite (1)
-
-
illite (7)
-
mica group
-
glauconite (3)
-
-
rectorite (3)
-
-
-
sulfates
-
anhydrite (3)
-
barite (4)
-
celestine (3)
-
gypsum (7)
-
jarosite (1)
-
-
sulfides
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galena (4)
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pyrite (5)
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sphalerite (3)
-
-
-
Primary terms
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absolute age (15)
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Antarctica (1)
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Asia
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Arabian Peninsula
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Oman (1)
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Far East
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China (4)
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Indonesia
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Indian Peninsula
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India (2)
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Siberian Platform (1)
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Atlantic Ocean
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North Atlantic
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North Sea
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Atlantic Ocean Islands
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Australasia
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Australia
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Victoria Australia (2)
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Canning Basin (1)
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New Zealand (1)
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bacteria
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coliform bacteria
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Escherichia
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Escherichia coli (1)
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barite deposits (3)
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bibliography (4)
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brines (11)
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Canada
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Quebec
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Manitoba
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Northwest Territories (2)
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carbon
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C-13/C-12 (15)
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C-14 (4)
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organic carbon (6)
-
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Caribbean region
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West Indies
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Antilles
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Lesser Antilles
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-
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Bahamas (1)
-
-
-
catalogs (3)
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Cenozoic
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Quaternary
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Holocene
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upper Holocene (7)
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Pleistocene
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Illinoian (1)
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lower Pleistocene (1)
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Matuyama Chron (1)
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Peoria Loess (2)
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Roxana Silt (1)
-
upper Pleistocene
-
Wisconsinan
-
upper Wisconsinan (2)
-
-
-
-
upper Quaternary (3)
-
-
Tertiary
-
Neogene
-
Pliocene (2)
-
-
Paleogene
-
Eocene
-
Absaroka Supergroup (1)
-
lower Eocene
-
Wind River Formation (1)
-
-
middle Eocene
-
Claiborne Group (1)
-
-
upper Eocene
-
Jackson Group (1)
-
-
-
Paleocene
-
lower Paleocene
-
Danian (1)
-
-
-
-
-
upper Cenozoic (1)
-
-
chemical analysis (1)
-
Chordata
-
Vertebrata
-
Pisces
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Chondrichthyes
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Elasmobranchii (2)
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Holocephali (2)
-
-
Osteichthyes
-
Actinopterygii (2)
-
-
-
Tetrapoda
-
Amphibia
-
Lepospondyli (1)
-
-
Mammalia
-
Theria
-
Eutheria
-
Proboscidea
-
Elephantoidea
-
Elephantidae
-
Mammuthus (1)
-
-
-
-
-
-
-
Reptilia
-
Synapsida
-
Pelycosauria (1)
-
-
-
-
-
-
clay mineralogy (13)
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climate change (2)
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coal deposits (5)
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conservation (1)
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construction materials
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building stone (3)
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continental drift (1)
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crust (20)
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Europe
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