Region
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Baghdad (Iraq)
1
Bahia (State)
1
Baja California (Mexico : Peninsula)
1
Baja California (Peninsula)
1
Balkan Peninsula
1
Baltimore
3
Baltimore (Md.)
3
Beekmantown (N.Y.)
1
Beirut
3
Belize
3
Bering Sinkhole Site (Tex.)
1
Berlin (Germany)
1
Big Bend National Park (Tex.)
1
Big Bend Region
1
Big Bend Region (Tex.)
1
Big Thicket
2
Big Thicket (Tex.)
4
Blacks
1
Blueprint Farm (Laredo, Tex.)
1
Boconó (District)
1
Boconó (Venezuela : District)
1
Bogotá
1
Bogotá (Colombia)
1
Bogotá
3
Bogotá (Colombia)
3
Bolivia
5
Bombay
1
Boston
2
Boujad
1
Boujad (Morocco)
1
Brazil
68
Brazos River
1
Brazos River Valley
2
Brazos River Watershed
1
Bristol (England)
1
Brown County
2
Brown County (Tex.)
2
Buenos Aires
2
Byzantine Empire
2
Cahokia Mounds State Historic Park (Ill.)
1
Cairo
1
Cairo (Egypt)
1
Cajamarca (Department)
1
Cajamarca (Peru : Department)
1
California
42
California, Southern
2
Canada
5
Canadian-American Border Region
2
Canal Zone
1
Caribbean Area
5
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