Region
Nevada
Nye County
72
California
24
Humboldt County
22
Lincoln County
19
Elko County
14
Eureka County
14
Lander County
13
Esmeralda County
12
Utah
11
White Pine County
10
Pershing County
7
Clark County
6
Mineral County
5
Mono County
5
Churchill County
4
Inyo County
4
Reno Region
3
Washoe County
3
Arizona
2
Oregon
2
Tonopah quadrangle
2
Washington County
2
Winnemucca Region
2
Arrow Canyon Range
1
Beaver County
1
Chico Quadrangle
1
Death Valley Quadrangle
1
Douglas County
1
Elko Region
1
Elko quadrangle
1
Ely quadrangle
1
Fire, Valley of, Region
1
Fish Lake Watershed
1
Gabbs Region
1
Goldfield Region
1
Goldfield Region (Nev.)
1
Goldfield quadrangle
1
Goldfield, Mariposa, and Death Valley Quadrangles
1
Goshute Mountains
1
Honey Lake Watershed
1
Idaho
1
Indian Cove quadrangle
1
Iron County
1
Las Vegas Region
1
Lassen County
1
Lovelock quadrangle
1
Lund quadrangle
1
Lyon County
1
McDermitt quadrangle
1
more ...