Region
United States
34
New Mexico
11
Wyoming
10
Arizona
7
West (U.S.)
7
Navajo Indian Reservation
6
Colorado
5
Canada
4
Navajo Nation, Arizona, New Mexico & Utah
4
Southwest, New
3
Sweetwater County
3
Alaska
2
Arctic National Wildlife Refuge
2
Arizona Strip
2
Arlit
2
Arlit (Niger)
2
Australia
2
Campbell County
2
Campbell County (Wyo.)
2
Chaco Canyon
2
Chaco Culture National Historical Park
2
Chaco Culture National Historical Park (N.M.)
2
Cibola County
2
Cibola National Forest
2
Congo (Democratic Republic)
2
Crook County
2
Crook County (Wyo.)
2
Edgemont
2
Grand Canyon National Park
2
Kinshasa
2
Maine
2
McKinley County
2
Montana
2
Monument Valley (Ariz. and Utah)
2
Nevada
2
Niger
2
Northwest Territories
2
Port Radium
2
San Juan County
2
South Dakota
2
Southwestern States
2
Utah
2
Washington (D.C.)
2
Africa
1
Bears Ears National Monument (Utah)
1
Blue Creek (Stevens County)
1
Cameron (Ariz.)
1
Canon City
1
Clark County
1
Coconino County
1
more ...