New 243-page report on the geology and mining history of Globe-Miami area, central Arizona.

Arizona surges to the top of mining jurisdictions worldwide.

Dr. Spencer R. Titley passed away in Tucson on Sunday morning, August 18, 2019.

Assay results from Bell Copper's K-20 drill hole, Perseverance Project, Kingman, Arizona

The life and times of a mining town, Superior, Arizona, during the Great Depression, WW II and post-War years.