Region
Arizona
Arizone
1
Awatovi
1
Awatovi (Ariz.)
1
Beale Road
2
Black Mesa (Navajo County and Apache County)
1
Black Mesa (Navajo County and Apache County, Ariz.)
1
C.C. Cragin Dam (Ariz.)
1
C.C. Cragin Reservoir (Ariz.)
1
California
12
Chaco Canyon
1
Chaco Canyon (N.M.)
1
Chevelon Canyon
2
Chevelon Canyon (Ariz.)
2
Colorado
2
Colorado River (Colo.-Mexico)
9
Great Basin
1
Hogup Cave (Utah)
1
Hopi Indian Reservation
1
Las Vegas (Nev.)
1
Mexican-American Border Region
2
Mexico
4
Navajo Indian Reservation
1
Nevada
2
New Mexico
8
Phoenix
2
Phoenix (Ariz.)
2
San Jose
1
San Jose (Calif.)
1
Sonora (Mexico : State)
3
Sonora (State)
1
Southwest, New
49
Texas
1
Tombstone
1
Tonto Basin
1
Tonto Basin (Ariz.)
1
Tucson
1
Tucson (Ariz.)
1
Tucson Region
1
United States
9
Utah
2
Ventana Cave (Ariz.)
1