Region
Nevada
6
California
2
Minnesota
2
Philippine Sea
2
Alaska
1
Arizona
1
Atlantic Coast (U.S.)
1
Battle Mountain Region
1
Colusa County
1
Death Valley Region (Calif. and Nev.)
1
Douglas County
1
Esmeralda County
1
Glenn County
1
Greenland Sea
1
Lake County
1
Lyon County
1
Mendocino County
1
Mohave County
1
Mojave Desert
1
Needles Region
1
Nenana River Valley
1
North Atlantic Ocean
1
Norwegian Sea
1
Nye County
1
Park County
1
Snake River Watershed (Wyo.-Wash.)
1
Tennessee
1
Washakie Wilderness
1
Wyoming
1