AUBURN — A 15-year-old boy was rescued from a Northern California mine shaft, officials said Monday. It happened in the Placer County city of Auburn near China Bar in the Auburn State Recreation Area, ...

Freeport-McMoRan has a mining location south of Tucson near Sahuarita and a technology center in Tucson. The company has worked with Sahuarita Unified School District, supporting students to ...