Region
United States
West (U.S.)
West United States
18
États-Unis (Ouest)
14
États-Unis
8
Rocky Mountains
5
Mississippi River Valley
4
Pacific States
4
Utah
4
Columbia River
3
Missouri River
3
Nordamerika
3
North America
3
Amérique du Nord
2
California
2
Columbia (Fleuve)
2
Great Salt Lake
2
Great Salt Lake (Utah)
2
Mississippi River
2
Mississippi, Vallée du
2
Missouri (Rivière)
2
Ohio River
2
Oregon Territory
2
Rocheuses, Montagnes
2
The West
2
USA
2
Allemagne
1
Californie
1
Colorado (Col.-Mexique : Fleuve)
1
Colorado River
1
Colorado River (Colo.-Mexico)
1
Colorado River Valley
1
États-Unis (Nouveau Sud-Ouest)
1
Germany
1
Grand Lac Salé (Utah)
1
Great Plains
1
Mississippi (Fleuve)
1
Missouri River Valley
1
Missouri, Vallée du
1
Nevada
1
New Mexico
1
New Southwest
1
New York (N.Y.)
1
Northwest, Canadian
1
Northwest, Old
1
Oregon
1
Oregon National Historic Trail
1
Paci
1
Salé, Grand lac (Utah)
1
South America
1
more ...