Region
United States
547
West (U.S.)
306
Pennsylvania
88
West United States
51
Philadelphia
33
États-Unis (Ouest)
32
États-Unis
30
Penn
24
New York (State)
23
Southern States
21
East (U.S.)
20
New Jersey
19
Virginia
18
California
16
North America
15
The West
14
Great Britain
12
Columbia River
11
Missouri River
11
USA
11
United States, West
11
South Carolina
10
Washington (D.C.)
10
Pacific Coast (U.S.)
9
Germany
8
North Carolina
8
Pacific States
8
Rocky Mountains
8
Utah
8
Atlantic Coast (U.S.)
7
Louisiana
7
Mexico
7
Mississippi River Valley
7
Philadelphia (Pa.)
7
Amérique du Nord
6
Europe
6
Illinois
6
Massachusetts
6
Southwest, New
6
U.R.S.S.
6
America
5
Maryland
5
New Mexico
5
Northwest, Pacific
5
Soviet Union
5
Allemagne
4
Canada
4
Connecticut
4
France
4
Mississippi River
4
more ...