Geographic Subject
Germany
12
France
4
Aachen Region
3
Aachen
2
Austria
2
Greece
2
Italy
2
Paris Basin
2
Spain
2
Ardennes
1
Azraq
1
Canada, Western
1
Carinthia
1
Carnic Alps
1
Carnic Alps (Italy and Austria)
1
Dolomite Alps
1
Earth
1
East Friesland
1
East Pacific Rise
1
Erkelenz
1
Germany (West)
1
Gifhorn Region
1
Huelva Region
1
Ierapetra Region
1
Iran
1
Jordan
1
Luxembourg
1
Moghan Basin
1
Nestos River
1
Niger River Delta
1
Nigeria
1
Revin Region
1
Rheinisches Schiefergebirge (Germany)
1
Rhineland
1
Ruhr River Valley
1
Tanzania
1
Turkey
1
Westphalia
1
Yukon Territory
1
Zamanti Region
1