Region
United States
53
North America
3
Southern States
3
West (U.S.)
3
Africa
2
Canada
2
English-speaking countries
2
Great Britain
2
Nevada
2
America
1
Burkina Faso
1
Colorado
1
Equatorial Guinea
1
Foreign countries
1
Guinea
1
Ireland
1
Minnesota
1
New Mexico
1
Scotland
1
Soviet Union
1
Spain
1
Sudan
1
Wyoming
1