Region
West (U.S.)
West United States
168
United States, West
143
United States
30
North America
12
Canada, Western
10
Canada
9
California
8
Rocky Mountains
8
British Columbia
7
Western Canada
7
Northeastern States
5
Southwest, New
5
Southwestern States
5
Western United States
5
Canadian Northwest
4
États-Unis (Ouest)
4
Nevada
4
Northwest, Canadian
4
Rocky Mountains Region
4
Great Basin
3
Montana
3
Southern States
3
The West
3
Washington (State)
3
America
2
Estados unidos
2
États-Unis
2
Milk River
2
Milk River (Mont. and Alta.)
2
Mima Mounds
2
Mima Mounds (Wash.)
2
Missouri
2
New Southwest
2
Northern Sierra Region
2
Northwest, Pacific
2
USA
2
Utah
2
West (U.S)
2
Wyoming
2
1860-1890
1
Alaska
1
Arizona
1
Australia
1
California, Southern
1
Californie
1
Canada (Ouest)
1
Chile
1
Colorado
1
Colorado River
1
more ...