Region
Nevada
51
California
5
Washoe County
4
Humboldt River Valley
3
Humboldt River Watershed
3
Las Vegas Valley
3
Nye County
3
Alpine County
2
Carson River Watershed
2
Douglas County
2
Eagle Valley (Carson City, Nev.)
2
Lander County
2
Truckee River Watershed (Calif. and Nev.)
2
White Pine County
2
Arizona
1
Carson City
1
Carson River Valley
1
Colorado River Watershed (Colo.-Mexico)
1
Comstock Lode Mining District
1
Dayton Region
1
Death Valley (Calif. and Nev.)
1
Devils Hole
1
Douglas County (Nev.)
1
Eagle Valley
1
Eagle Valley (Carson City)
1
Elko County
1
Fallon Region
1
Fernley Region
1
Fernley Region (Nev.)
1
Honey Lake Valley (Calif. and Nev.)
1
Idaho
1
Las Vegas Region
1
Lassen County
1
Lyon County
1
Montezuma Castle National Monument (Ariz.)
1
Ruby Valley
1
United States
1
Utah
1
Virginia City Region
1