Geographic Subject
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North Carolina
4
Norway
1
Nova Scotia
2
Oklahoma
1
Ontario
6
Pakistan
5
Papua
1
Pennsylvania
1
Peru
8
Philippines
4
Poland
1
Québec (Province)
9
Rajasthan
2
Rhodesia
1
Romania
3
Russia
1
Russia (Federation)
7
Russia, Northern
1
Sierra Leone
4
South Africa
5
South Australia
1
South Dakota
2
Southwestern States
1
Soviet Union
6
Sri Lanka
1
Sulawesi Selatan
1
Sulawesi Tengah
1
Sulawesi Tenggara
1
Tasmania
1
Territoire indien
1
Texas
1
Transvaal
1
Turkey
2
Tuva
1
Uganda
1
Ural Mountains Region
5
Utah
1
Venezuela
2
West (U.S.)
4
Western Australia
1
Yugoslavia
2
Zambia
1
Zimbabwe
4