Region
West (U.S.)
10
Texas
7
United States
7
Pacific Coast
5
Oregon
4
Minnesota
3
Mississippi River Valley
2
California
1
Chihuahua (Mexico : State)
1
Colorado
1
Dakota Territory
1
Death Valley (Calif. and Nev.)
1
Inyo County (Calif.)
1
Montana
1
Northwest, Old
1
Northwest, Pacific
1
Ohio River Valley
1
Rocky Mountains
1
Southwest, New
1
Washington (State)
1
Wyoming
1
Yellowstone National Park
1