The development of a copper-silver ore body
Institution: | Missouri University of Science and Technology |
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Department: | |
Year: | 1916 |
Record ID: | 1561016 |
Full text PDF: | http://hdl.handle.net/10355/17685 |
"During the years 1912 to 1915 the writer had charge of the Ruby Copper Company property near Patagonia, Arizona, and it was suggested that a review of this work, with costs and data, would be helpful to other engineers engaged in similar enterprises" – Introduction, p. [2].