Geographic Subject
Soviet Union
29
Russia (Federation)
10
United States
4
Altaĭskiĭ kraĭ
1
Dagestan
1
Europe, Eastern
1
Japan
1
Lena River Delta
1
Lena River Region (Russia)
1
Novosibirska︠i︡a oblastʹ
1
Permska︠i︡a oblastʹ
1
Russia, Northern
1
Russian Far East
1
Siberia
1
Siberia, Western
1
Soviet Union, Northwestern
1
Ural Mountains Region
1
Volga River Region
1