Sub-locations

Name Sites Samples
Apache County 49 198
Cochise County 21 45
Coconino County 98 377
Gila County 33 101
Graham County 35 185
La Paz County 7 18
Maricopa County 180 1088
Mohave County 46 135
Navajo County 109 605
Pima County 177 994
Pinal County 1 0
Santa Cruz County 50 474
Yavapai County 34 49
Yuma County 32 119