Region
Africa, Southern
1
America
5
American River (Calif.)
2
Arizona
3
Arkansas
2
Asia
2
Astoria (Or.)
1
Aurora
1
Bighorn Basin (Mont. and Wyo.)
1
Biscayne National Park (Fla.)
1
Bodie
1
Bozeman Trail
1
British Columbia
3
Buffalo (N.Y.)
1
Butterfield Overland Trail
1
California
12
California National Historic Trail
2
Canada
8
Canada (Ouest)
1
Canada, Western
14
Canadian Northwest
1
Chicago
1
Chicago (Ill.)
1
Chihuahua (Chihuahua)
1
China
1
Chisholm Trail
1
Colorado
8
Colorado River (Colo.-Mexico)
1
Colorado River Valley (Colo.-Mexico)
1
Columbia River
6
Comstock Lode (Nev.)
1
Corinne (Utah)
2
Crazy Horse Memorial (Black Hills, S.D.)
1
Crosby County
1
Death Valley (Calif. and Nev.)
1
Denver
1
Deserts
1
Dodge City (Kan.)
1
Elko County
2
Elko County (Nev.)
2
Etats-Unis
1
Europe
2
Excavations (Archaeology)
2
Fort Laramie (Wyo. : Fort)
1
Fort Steele Trail (B.C. and Mont.)
1
France
1
Frontier and pioneer life
3
Georgia
1
Golden Spike National Historic Site (Utah)
2
Grant-Kohrs Ranch National Historic Site (Mont.)
1
more ...