Mining has played a significant role in the history of Pinal County ... Mountains,” “Arizona-Sonora Desert Museum” with Peggy Larson and “Sentinel to the North: Exploring the Tortolita ...

Surrounded by the Papago Indian Reservation, it is located 30 miles southwest of Casa Grande in the Casa Grande Mining District. The ore was concentrated along a north-south trending fault in ...

The project will generate property payments, operator fees, and additional exploration potential for undercover copper porphyry systems in Arizona ... the historic North Star Mine, where open ...

The group Apache Stronghold is vowing to carry on the fight against a massive copper mining project on land the Apaches hold ...