Sub-locations

Name Sites Samples
Apache County 50 244
Cochise County 22 70
Coconino County 101 477
Gila County 33 101
Graham County 35 187
La Paz County 7 18
Maricopa County 179 1080
Mohave County 47 280
Navajo County 109 619
Pima County 179 1241
Pinal County 1 0
Santa Cruz County 47 495
Yavapai County 34 49
Yuma County 32 119