Region
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Algeria
1
Amazon River Valley
1
Amazonas (R⩯) Regi⯮ del
1
Amazonie
1
American Bottom
1
American Bottom (Ill.)
1
Antigua and Barbuda
1
Arabian Peninsula
1
Atlantic Ocean Region
1
Atrato River Valley
1
Austria
1
Barbados
1
Barro Colorado Island
1
Betty's Hope (Antigua and Barbuda)
1
Bristol
1
Bristol (Pa.)
1
Bucks County
1
Bucks County (Pa.)
1
Cahokia
1
Cahokia (Ill.)
1
California
1
Caribbean Sea
1
Charlotte Harbor (Bay)
1
Charlotte Harbor (Fla. : Bay)
1
Colonia Barón de Hirsch (Argentina)
1
Costa Rica
1
Cross Creek (Fla.)
1
Czech Republic
1
Developing countries
1
EE.UU
1
Earth (Planet)
1
Egypt
1
Europe, Central
1
Europe, Eastern
1
Florida Citrus Exchange
1
Germany
1
Green River Valley
1
Green River Valley (Ky.)
1
Greenland
1
Guatemala
1
Guayaquil (Ecuador)
1
Gulf Coast
1
Gulf states
1
Harney Flats Site (Fla.)
1
Herrera (Panama : Province)
1
Herrera (Province)
1
Honduras
1
Hungary
1
Inhamuns region, Brazil
1
Iran
1
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