Region
United States
West (U.S.)
43
Mexico
42
Texas
34
Canada
30
Mississippi River Valley
22
Mississippi River
15
California
14
Missouri
14
Louisiana
13
Southwest, New
12
Rocky Mountains
9
Colorado River (Colo.-Mexico)
8
Northwest, Old
8
Spain
8
Great Britain
7
Ohio River Valley
6
Oregon
6
Kansas
5
Minnesota
5
Montana
5
Ohio River
5
Southwest, Old
5
Utah
5
West Indies
5
Alaska
4
America
4
Florida
4
Iowa
4
Nebraska
4
North America
4
Pacific States
4
Southern States
4
Arkansas
3
Colorado
3
Dakota Territory
3
Great Lakes (North America)
3
New France
3
New Mexico
3
New York (State)
3
Northwest boundary of the United States
3
Northwestern States
3
Pacific Ocean
3
Red River (Tex.-La.)
3
Saint Louis (Mo.)
3
San Juan Islands (Wash.)
3
Santa Fe National Historic Trail
3
Yellowstone National Park
3
Yellowstone River
3
Australia
2
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