Geographic Subject
United States
63
India
55
Sri Lanka
11
Bangladesh
9
Indonesia
8
Honduras
7
Cuba
6
Brazil
5
Haiti
5
Pakistan
5
Africa
4
Chile
4
Germany
4
Middle East
4
Thailand
4
Burma
3
Europe, Eastern
3
Iran
3
Africa, Sub-Saharan
2
Asia
2
Bermuda Islands
2
Bihar (India)
2
Canada
2
Costa Rica
2
Dominican Republic
2
East Asia
2
Eastern Europe
2
Gabon
2
Jamaica
2
Latin America
2
Mahaweli River Watershed
2
Mahaweli River Watershed (Sri Lanka)
2
Nepal
2
Netherlands Antilles
2
Nicaragua
2
Peru
2
Soviet Union
2
United States Virgin Islands
2
Africa, West
1
Antigua
1
Antofagasta
1
Antofagasta (Chile)
1
Armenia (Republic)
1
Assam (India)
1
Bahamas
1
Balasore (District)
1
Balasore (India : District)
1
Balkan Peninsula
1
Balāngīr (India : District)
1
Bar-sur-Seine Region (France)
1
more ...