Mineral frontier in transition: copper mining in Arizona, 1880-1885 Author R.L.Spude Article Date January 1976 Journal Title N M Hist Rev
Is Prescott buying the Copper Basin? Author D.Lee Article Date November 3, 1974 Article Abstract Pros and cons of the proposed Phelps Dodge mine Journal Title Arizona
Growing copper Author E.Rankin Article Date February 1974 Article Abstract Chris G. Muller, miner of Quartzsite vicinity, has discovered a chemical method of producing high-grade copper form low-grade ore Journal Title Desert
Development and diversion of water for mining Author K.M.Fox Article Date November 1961 Article Abstract How Phelps Dodge brought water to Morenci Journal Title Ariz Cattlelog
Back to the earth Author V.J.Glover Jr. Article Date November 1964 Article Abstract Story of locomotive power in the mines in New Mexico and Arizona Journal Title Ariz Engineer & Scientist