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Evaluating Arizona’s geologic setting, mineral resources, and geologic hazards.
RIP Dr. Spence Titley 1928 -2019
19 August 2019
Dr. Spencer R. Titley passed away in Tucson on Sunday morning, August 18, 2019.
Bell Copper’s Perseverance Copper Porphyry Project – K-20 drill hole
Minerals & Mining
22 May 2019
Assay results from Bell Copper's K-20 drill hole, Perseverance Project, Kingman, Arizona
Living Superior, Arizona: The life and times of a copper mining town from 1930 to 1950
Arizona Mining Review
10 August 2018
The life and times of a mining town, Superior, Arizona, during the Great Depression, WW II and post-War years.
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