Region
California
5
Nevada
4
Alaska
3
Calaveras County
2
Idaho
2
United States
2
Afghanistan
1
Alabama
1
Badakhshān
1
Brooks Range
1
Brooks Range (Alaska)
1
Canada
1
Grass Valley
1
Grass Valley (Calif.)
1
Humboldt County
1
Lander County
1
Lander County (Nev.)
1
Medford Quadrangle
1
Oregon
1
Sierra County
1
Willow Creek
1
Willow Creek District
1
Winnemucca Region
1