Region
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Montana
3
Nebraska
1
Nevada
3
New Mexico
8
New York
3
New York (State)
3
Nord-Ouest canadien
1
Nordamerika
1
Nordwest
1
North America
3
Northwest, Canadian
4
Northwest, Pacific
3
Northwestern States
4
Nottinghamshire
4
Nottinghamshire (England)
3
Ohio River
2
Oklahoma
1
Olympic Peninsula (Wash.)
1
Oregon
3
Oregon National Historic Trail
13
Overland Trails
1
Pacific Coast (U.S.)
2
Pacific States
10
Pacific states
1
Pennsylvania
1
Philadelphia
1
Pony Express National Historic Trail
1
Rocky Mountain region
1
Rocky Mountains
14
Rocky Mountains Region
2
Rocky mountains
1
Salt Lake City (Utah)
1
San Luis Valley (Colo. and N.M.)
1
Santa Fe National Historic Trail
2
Sierra Nevada (Calif. and Nev.)
1
Sonoran Desert
2
Southern States
2
Southwest, New
6
Spain
4
Tennessee
1
Texas
2
United States
70
United States Highway 20
1
United States Highway 66
1
United States, West
11
United Stateư
1
Utah
5
Washington (State)
1
West (U. S.)
6
West (U.S.)
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