Region
Acme Underground Coal Mine
1
Acme Underground Coal Mine (Wyo.)
1
Adriatic Sea Region
1
Aegean Sea
2
Africa
17
Alaska
5
Alexandria
1
Allemagne
1
Ambato Valley
1
Ambato Valley (Argentina)
1
America
14
American Samoa
1
Amerique du Nord
1
Ampato, Mount (Arequipa)
1
Amsterdam
2
Amérique
1
Andes Region
1
Appalachian Region, Southern
1
Arab countries
1
Arctic regions
1
Argentina
4
Arizona
7
Arkansas
3
Arkansas Delta
1
Arkansas Delta (Ark.)
1
Arnhem Land (N.T.)
1
Asia
5
Atlantic Coast (South Atlantic States)
1
Atlantic Coast (U.S.)
1
Australia
15
Babylonia
1
Bahamas
2
Balkan Peninsula
4
Bamberg
1
Bamberg (Germany)
1
Bangladesh
1
Barre
1
Bedford County (Tenn.)
1
Blood Indian Reserve (Alta.)
2
Bogotá
1
Brazil
5
Bronx
1
Buenos Aires
2
Bulgaria
1
California
7
Cameroon
1
Campeche, Bay of
1
Canada
16
Canada, Northern
2
Caribbean Area
4
more ...