Via Arivaca Author E. Emery Article Date May 1948 Article Abstract Contains material about the El Cerro de Colorado mines Journal Title Westways
Vast mineral resources that may be made tributary to Tucson Author R. A. Johnson Article Date January 1893 Journal Title Ariz Mag
Only 8.5 years of life left? Author J. Riddick Article Date October 1976 Article Abstract Cyprus Pima Mining Co. open pit south of Tucson Journal Title Tuc Bsns
Mining in Pima County, Arizona Author A. J. Harshberger Article Date March 1931 Journal Title Prog Ariz
Mining in Pima County - a growing industry in a growing economy Author G. F. Leaming Article Date November 1964 Journal Title Ariz Rev Bsns & Public Admin
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
How the Chamber of Mines aids mine development Author C. McTavish Article Date December 1925 Journal Title Prog Ariz