Geographic Subject
Russia (Federation)
11
Germany
9
Bulgaria
4
Indonesia
4
United States
4
India
3
Italy
3
Soviet Union
3
British Columbia
2
Donets Basin (Ukraine and Russia)
2
England
2
France
2
Great Britain
2
Japan
2
London
2
Netherlands
2
New England
2
Siberia, Western
2
4.210
1
Altaĭskiĭ kraĭ
1
Asia, Southeastern
1
Baden-Württemberg
1
Bavaria
1
Berlin
1
Berlin (Germany)
1
Braunschweig
1
Brazil
1
Brunswick
1
Cape of Good Hope
1
China
1
Ekaterinburg
1
Former Soviet republics
1
Freiburg im Breisgau
1
Hamburg
1
Haute-Saône
1
Hesse
1
Jammu and Kashmir
1
Kama River Valley
1
Kenya
1
Kola Peninsula
1
Krasno︠i︡arsk
1
La Chataigneraie
1
Leiden
1
Middle West
1
Minnesota
1
Nebraska
1
Nepal
1
Peru
1
Puy-les-Vignes
1
Rhine River Valley
1
more ...