Region
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Antwerp
2
Antwerp (Belgium)
1
Apalachicola River Watershed
1
Appalachian Region
2
Arab countries
11
Arabian Peninsula
1
Arabie saoudite
2
Arabische Staaten
1
Arctic National Wildlife Refuge
1
Arctic National Wildlife Refuge (Alaska)
1
Arctic regions
1
Argentina
19
Argentine
2
Arizona
14
Arkansas
3
Armenia
1
Armenia (Republic)
2
Asia
75
Asia, Central
9
Asia, South
1
Asie
9
Asie Mineure
2
Asie centrale
1
Asie du Sud
1
Asie méridionale
1
Asien
3
Aspect politique
1
Aspect social
1
Aspen
1
Aspen (Colo.)
1
Atchafalaya River Watershed
2
Athabasca Tar Sands (Alta.)
1
Atlanta
3
Atlantic Coast
1
Atlantic Coast (U.S.)
1
Atlantic States
1
Austin
3
Austin (Tex.)
3
Australia
71
Australie
14
Australien
5
Austria
4
Azerbaijan
2
Badlands (S.D. and Neb.)
1
Baghdad
2
Bakersfield Region
1
Balkan Peninsula
6
Balkans
1
Baltimore
6
Baltimore (Md.)
3
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