Region
United States
77
Nevada
8
Utah
7
New Mexico
6
West (U.S.)
6
Montana
4
Arizona
3
California
3
Chesapeake Bay Region (Md. and Va.)
3
Alaska
2
Big Horn County
2
Hawaii
2
Idaho
2
Limestone Hills Training Area (Mont.)
2
Lincoln County
2
Minnesota
2
Park County
2
Pershing County
2
Sandoval County
2
Utah Test and Training Range (Utah)
2
Walnut Canyon National Monument (Ariz.)
2
Walnut Canyon National Monument Region
2
White Pine County
2
White Sands Missile Range (N.M.)
2
Wyoming
2
California, Northern
1
California, Southern
1
Cibola National Forest (N.M.)
1
Clark County
1
Colorado
1
Fairfax County
1
Florida
1
Fort Bliss (Tex.)
1
George Washington Memorial Parkway (Va. and Washington, D.C.)
1
Grand Rapids
1
Headwaters Forest Wilderness (Calif.)
1
Hood, Mount, Region
1
Louisiana
1
Mesquite
1
Mexican-American Border Region
1
North Dakota
1
Oregon
1
Pacific Area
1
Rio Arriba County
1
San Juan County
1
Texas
1
Virginia
1
Virginia Key (Miami)
1
Washington County
1