Tags: arizona,cochise county,mine,mine shaft,san pedro riparian national conservation area,san pedro river valley,san pedro trail,tucson field office

Tags: arizona,cochise county,san pedro riparian national conservation area,san pedro river valley,san pedro trail,tucson field office

Tags: arizona,cochise county,san pedro,san pedro riparian national conservation area,san pedro river trail,san pedro river valley,san pedro trail,sign,tucson field office