Region
United States
119
California
84
West (U.S.)
77
Texas
54
Alaska
24
Oregon
23
New Mexico
22
Kansas
20
Mexico
20
Canada
18
Colorado
17
Northwest, Canadian
16
Southwest, New
16
Northwest, Pacific
15
Louisiana
14
Black Hills (S.D. and Wyo.)
12
Montana
12
Washington (State)
12
Wyoming
12
Northwest Coast of North America
11
Iowa
10
Missouri
10
Oregon Territory
10
Mississippi River Valley
9
Northwestern States
9
Klondike River Valley (Yukon)
8
Nebraska
8
Spain
8
Utah
8
Manitoba
7
Nevada
7
Yellowstone National Park
7
Arizona
6
British Columbia
6
Colorado River (Colo.-Mexico)
6
North America
6
America
5
Dakota Territory
5
Idaho
5
Illinois
5
Minnesota
5
Mississippi River
5
Arctic regions
4
Florida
4
Northwest Passage
4
Sonora (Mexico : State)
4
Arkansas
3
Canada, Northern
3
China
3
El Paso (Tex.)
3
more ...