Description: From introduction: "In this paper are assembled and summarized many subjects relating to the copper industry in North America. Production of mines and districts, history of the industry in North America. Production of mines and districts, history of the industry, geology, of the principal deposits, and mining methods and costs are discussed."
Creator: Gardner, E. D.; Johnson, C. H. & Butler, B. S
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department