COPPER INDUSTRY AND TRADE

Mining camp by the Santa Cruz

Article Date
April 1975
Article Abstract
Tucson has become a world center for copper mining
Journal Title
Tuc Bsns

Magma's twenty-year ties to Tucson

Article Date
July 1976
Article Abstract
Magma Copper Co. marks 20th anniversary of its operations at San Manuel
Journal Title
Tuc Bsns

Heart of copper

Author
J. Eppinga
Article Date
May 1975
Journal Title
Des Sil Tuc Mag

Pages

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