Region
West (U.S.)
United States
22
North America
15
West United States
13
États-Unis (Ouest)
9
États-Unis
7
Amérique du Nord
5
Columbia River
5
Missouri River
5
The West
5
Cody
3
Missouri River Valley
3
Nordamerika
3
Northwest, Pacific
3
Wyoming
3
America
2
Ohio River
2
Pacific Northwest
2
Rocky Mountains
2
Southwest, New
2
Utah
2
1848-1860
1
1860-1890
1
1890-1945
1
Allemagne
1
Amérique
1
Andes
1
Canada, Northern
1
Colorado (Col.-Mexique : Fleuve)
1
Colorado River
1
Colorado River (Colo.-Mexico)
1
Colorado River Valley
1
Europe
1
États-Unis (Nouveau Sud-Ouest)
1
Florida
1
Floride
1
Fort Phil Kearny (Wyo.)
1
Germany
1
Hawaii
1
Indianer
1
Mexico
1
Middle West
1
Mississippi River Valley
1
Missouri
1
Missouri Valley
1
Missouri, Vallée du
1
Montana
1
Nevada
1
New Mexico
1
New Southwest
1
more ...