Region
New Mexico
Hidalgo County (N.M.)
3
Arizona
2
Chihuahua (Mexico : State)
2
Harding County
2
Harding County (N.M.)
2
Hidalgo County
2
McKinley County
2
McKinley County (N.M.)
2
Oldham County (Tex.)
2
Quay County
2
Quay County (N.M.)
2
San Miguel County
2
San Miguel County (N.M.)
2
Texas
2
Union County (N.M.)
2
Apache County
1
Apache County (Ariz.)
1
Catron County
1
Catron County (N.M.)
1
Cibola County
1
Cibola County (N.M.)
1
Cochise County
1
Cochise County (Ariz.)
1
Deaf Smith County
1
Deaf Smith County (Tex.)
1
El Malpais National Conservation Area
1
El Malpais National Conservation Area (N.M.)
1
El Malpais National Monument
1
El Malpais National Monument (N.M.)
1
Graham County
1
Graham County (Ariz.)
1
Grant County
1
Grant County (N.M.)
1
Greenlee County
1
Greenlee County (Ariz.)
1
Hartley County (Tex.)
1
Luna County
1
Luna County (N.M.)
1
Oldham County
1
Sonora (Mexico : State)
1
Union County
1