Region
Arizona
52
Nevada
5
Mohave County
4
Gila County
3
Santa Rita Mountains
3
Yavapai County
3
Cochise County
2
Coconino County
2
Graham County
2
Pinal County
2
Baboquivari Mountains
1
Bradshaw Mountains
1
California
1
Canelo Hills
1
Chiricahua Wilderness Area
1
Christmas Quadrangle
1
Clarkdale Quadrangle
1
Comobabi Mountains
1
Corduroy Creek Watershed
1
Fort Apache Indian Reservation
1
Gila River (N.M. and Ariz.)
1
Gila River Watershed (N.M. and Ariz.)
1
Globe-Miami District
1
Grand Canyon Region
1
Maricopa County
1
Mead, Lake, Region (Ariz. and Nev.)
1
Monument Valley Region (Ariz. and Utah)
1
Mule Mountains (Ariz.)
1
Navajo County
1
Needles Region
1
Pima County
1
Roskruge Mountains
1
San Carlos Reservoir
1
Sierrita Mountains
1
Utah
1
Verde River Valley
1