Region
Southwest, New
44
United States
17
Arizona
7
Mexico
4
New Mexico
3
Mexican-American Border Region
2
Navajo Indian Reservation
2
Texas
2
Black Mesa (Navajo County and Apache County)
1
Black Mesa (Navajo County and Apache County, Ariz.)
1
California
1
Gunlock (Utah)
1
Las Vegas (Nev.)
1
Point of Pines Site (Ariz.)
1
Pomerene (Ariz.)
1
Ramah (N.M.)
1
Riverside
1
Southwest (New)
1
Southwestern States
1
Virgin (Utah)
1
West (U.S.)
1