Region
California
48
Peru
34
Texas
30
United States
27
Appalachian Basin
16
Montana
12
Puno (Peru : Departament)
12
Cusco (Peru : Region)
10
Cuzco (Peru : Departament)
10
Nepal
10
Puno (Peru : Region)
10
Colorado
8
Kentucky
8
Nevada
8
Oklahoma
8
Wyoming
8
Los Angeles County
7
Mexico
7
Arizona
6
Australia
6
Kansas
6
Mississippi
6
Missouri
6
New Jersey
6
New York (State)
6
North Dakota
6
Texas, West
6
Alberta
5
Amazonas (Peru : Departament)
5
Amazonas (Peru)
5
Bolivia
5
Georgia
5
Los Angeles County (Calif.)
5
Pennsylvania
5
Santa Barbara County
5
Tacna (Peru : Departament)
5
Tacna (Peru : Department)
5
Utah
5
Arequipa (Peru : Departament)
4
Arequipa (Peru : Department)
4
Broken Hill Region
4
Broken Hill Region (N.S.W.)
4
Chihuahua (Mexico : State)
4
Chihuahua (State)
4
Coke County
4
Coke County (Tex.)
4
Kern County
4
Kern County (Calif.)
4
Massachusetts
4
New South Wales
4
more ...