Region
United States
13
Idaho
12
Alaska
4
Coeur d'Alene Mining District
4
Nevada
4
Arizona
3
California
2
Jerome
2
Michigan
2
Missouri
2
Pennsylvania
2
Shoshone County
2
Texas
2
Utah
2
Wallace
2
Atlanta
1
Australia
1
British Columbia
1
Carlsbad
1
Colorado
1
Dallas
1
Florida
1
Georgia
1
Gulf States
1
Illinois
1
Juneau Region
1
Kellogg
1
Midvale
1
Montana
1
Mullan
1
New Mexico
1
New York (State)
1
Northwest, Pacific
1
Oklahoma
1
Oregon
1
Oxford
1
Pittsburgh
1
Port Jefferson
1
Portland
1
San Juan County
1
Soviet Union
1
Turkey
1