Region
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Virginia
5
Alabama
4
Baja California (Peninsula)
4
Canada
4
Earth (Planet)
4
Greece
4
Gulf States
4
North Slope (Alaska)
4
Patagonia (Argentina and Chile)
4
Siberia
4
Spain
4
Washington (State)
4
Agate Fossil Beds National Monument
3
Agate Fossil Beds National Monument (Neb.)
3
Amazon River Region
3
America
3
Argentina
3
Bighorn Basin (Mont. and Wyo.)
3
Brazil
3
Cloverly Formation
3
Colorado River (Colo.-Mexico)
3
Edmonton (Alta.)
3
Four Corners Region
3
Fresno County
3
Japan
3
Nashville
3
Nashville (Tenn.)
3
National Petroleum Reserve
3
New England
3
New Jersey
3
Northwest, Pacific
3
Ohio
3
Okinawa-ken
3
Oklahoma
3
Pacific Northwest
3
Pacific Ocean
3
South America
3
Southern States
3
Tanzania
3
Almería (Province)
2
Araripe Plateau
2
Arctic regions
2
Asia, Central
2
Atlantic Coast
2
Atlantic Coast (U.S.)
2
Belgium
2
Bernissart
2
Big Bone
2
Big Bone (Ky.)
2
Brooks Range
2
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