Region
prev ...
Eastern Front
2
Europe, Eastern
2
Ghana
2
India, North
2
Libya
2
North Carolina
2
Pennsylvania
2
Québec (Province)
2
Research Triangle
2
Romania
2
Scandinavia
2
Spain
2
Sweden
2
Africa, North
1
América Latina
1
Antikythēra Island (Greece)
1
Arab countries
1
Blueprint Farm (Laredo, Tex.)
1
Bulgaria
1
California, Northern
1
Cambodia
1
Caribbean Area
1
Chester
1
Communist countries
1
Confederate States of America
1
District of Columbia
1
Farmington
1
Finland
1
Florida
1
Former Soviet republics
1
Georgia (Republic)
1
Green Bank
1
Green Bank (W. Va.)
1
Guangdong Sheng
1
Guangdong Sheng (China)
1
Holmes County
1
Holmes County (Ohio)
1
Hong Kong
1
Hong Kong (China)
1
Houston (Tex.)
1
Illinois
1
Inde
1
Iran
1
Iraq
1
Islamic Empire
1
Italy
1
Kenya
1
Kuwait
1
Laredo
1
London
1
more ...