Region
Nevada
6
Arizona
4
California
4
Idaho
3
Alabama
2
Idaho County
2
Montana
2
New Mexico
2
South Dakota
2
United States
2
Alaska
1
Angels Camp
1
Badger Hill
1
Black Mountains (Mohave County)
1
Calaveras County
1
Ferry County
1
Humboldt County
1
Lead Region
1
Madison County
1
Mohave County
1
Mother Lode Belt
1
Ontario
1
Valencia County
1
Valley County
1
Washington (State)
1
Yavapai County
1
Yukon River Watershed (Yukon and Alaska)
1