Region
United States
West (U.S.)
Rocky Mountains
7
Utah
7
Great Salt Lake (Utah)
4
Pacific States
4
Colorado River (Colo.-Mexico)
3
Grand Canyon (Ariz.)
3
Mississippi River
3
New Mexico
3
Pacific Coast
2
Asia
1
California
1
Colorado Plateau
1
Columbia River
1
Columbia River Valley
1
Great Basin
1
Great Salt Lake Region (Utah)
1
Hot Springs (Ark.)
1
Kentucky
1
Mexico
1
Missouri
1
Missouri River
1
Missouri River Valley
1
Nevada
1
Northwest, Canadian
1
Ohio River
1
Oregon
1
Oregon Territory
1
Ouachita River (Ark. and La.)
1
Salt Lake City (Utah)
1
Southwest, New
1
Wyoming
1
Yellowstone National Park
1