Geographic Subject
India
63
Indonesia
58
Russia (Federation)
28
Soviet Union
25
Pakistan
19
Sri Lanka
16
Bangladesh
8
Israel
8
Jordan River Valley
7
Middle East
6
California
5
Mekong River Watershed
5
Mahaweli River Watershed
4
Nepal
4
Sulawesi Selatan
4
Thailand
4
United States
4
Farakka Dam (India)
3
Inde
3
Jordan River
3
Kalimantan Selatan
3
Karelia
3
Netherlands
3
Siberia
3
Switzerland
3
Aceh
2
Africa, North
2
Arizona
2
Asia
2
Banten
2
Brazil
2
China
2
Czech Republic
2
Hawaii
2
Jawa Tengah
2
Jawa Timur
2
Karnataka
2
Kerala
2
Komi
2
Kyrgyzstan
2
Mahaweli River Watershed (Sri Lanka)
2
Phoenix Metropolitan Area
2
Russian Far East
2
Siberia, Western
2
Sumatera Utara
2
Tamil Nadu
2
5.500
1
Alaska
1
Algeria
1
Algiers
1
more ...