Geographic Subject
Aleksandŭr Stamboliĭski Reservoir
1
Amazon River Valley
1
Arctic regions
1
Asia
3
Asia, Central
2
Bulgaria
1
Caspian Sea
1
Caspian Sea Region
1
Caucasus
2
Cuba
2
Europe
2
Europe, Eastern
3
Europe, Northern
2
Former Soviet republics
7
Glubokoe Lake
1
Ili River
1
Kandalakshskiĭ zapovednik
1
Kandalakshskiĭ zapovednik (R.S.F.S.R.)
1
Kologriv
1
Mongolia
1
Moscow
2
Moscow (Oblast)
3
Moscow Region
2
North Atlantic Ocean
1
Peru
1
Primorskiĭ kraĭ
1
Russia
1
Russia (Federation)
26
Russia, Northern
1
Siberia
3
Soviet Union
24
Tropics
2
Turkmenistan
1
Ural Mountains Region
2
Vietnam
11
Volga River
1
Volga River Delta
1
White Sea
2
Yenisey River Region
1