Region
Navajo Indian Reservation
38
New Mexico
13
Arizona
9
Hopi Indian Reservation
5
United States
5
Southwest, New
4
Utah
3
Hopi Indian Reservation (Ariz.)
2
Navajo Nation, Arizona, New Mexico & Utah
2
San Juan County
2
San Juan River (Colo.-Utah)
2
Albuquerque (N.M.)
1
Apache County
1
Chuska Mountains (Ariz. and N.M.)
1
Colorado
1
Colorado River Watershed (Colo.-Mexico)
1
Fort Apache Indian Reservation (Ariz.)
1
Hubbell Trading Post National Historic Site (Ganado, Ariz.)
1
McKinley County
1
Morrison Formation
1