Region
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Arab countries
6
Arabian Peninsula
2
Arctic regions
5
Argentina
4
Arizona
2
Armenia
2
Armenia (Republic)
1
Aruba
1
Ascension Island (Atlantic Ocean)
1
Asia
8
Asia Oriental
1
Asia, Central
3
Asie
1
Asie de l'Est
1
Asie du Sud-Est
1
Athens
1
Atlantic Coast (North America)
1
Atlantic Ocean
1
Atlantic Provinces
2
Atlantic States
1
Augusta (Ga.)
1
Australasia
2
Australia
10
Austria
10
Azores
1
Bahamas
1
Bahrain
1
Balkan Peninsula
3
Baltic States
4
Baltimore
2
Barbados
2
Basel
2
Basel (Switzerland)
2
Bay County (Fla.)
1
Beaver Creek Watershed (Yavapai County)
1
Bedford County (Tenn.)
1
Bedfordshire (England)
2
Belgium
11
Belize
1
Benelux countries
2
Benin
2
Benton County (Tenn.)
1
Berlin (Germany)
4
Bermuda Islands
1
Bethlehem
1
Bhutan
1
Bibliographie
1
Bibliography
6
Birmingham
1
Bitterroot National Forest (Mont. and Idaho)
1
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