Region
California
3
California National Historic Trail
1
Colorado River (Colo.-Mexico)
1
Crazy Horse Memorial (Black Hills, S.D.)
1
New Mexico
1
Northwest, Canadian
1
Oregon National Historic Trail
5
Orphans
1
Santa Fe National Historic Trail
2
Seattle (Wash.)
1
Sierra Nevada
1
Sierra Nevada (Calif. and Nev.)
1
Sierra Nevada Region (Calif. and Nev.)
1
Social life and customs
1
Southwest, New
1
United States
22
United States, West
2
West (U.S.)
West United States
1
Yellowstone National Park
2