Region
West (U.S.)
1,362
United States
316
West United States
289
États-Unis (Ouest)
215
USA
83
États-Unis
77
Mississippi River Valley
32
États-Unis (ouest)
20
Frontier
17
West (U.S)
17
California
14
Southwest, New
14
Mississippi, Vallée du
13
United States, West
13
North America
12
Great Plains
11
Mexico
9
Northwest, Canadian
9
Oregon National Historic Trail
9
Canada
8
Canada, Western
8
Missouri
8
Missouri River
8
America
7
Nevada
7
Northwest, Old
7
Northwest, Pacific
7
Rocky Mountains
7
Amérique du Nord
6
Indianer
6
New York (State)
6
South Dakota
6
Texas
6
West (United States)
6
California National Historic Trail
5
Columbia River
5
Japan
5
New York
5
Oregon Territory
5
Southern States
5
Californie
4
Colorado
4
Denver (Colo.)
4
EE. UU
4
États-Unis (Nouveau Sud-Ouest)
4
Kansas
4
Mormon Pioneer National Historic Trail
4
New Southwest
4
Northwestern States
4
Oregon
4
more ...