The porphyry coppers in 1956. A. B. Parsons.

The porphyry coppers in 1956

New York: American Institute of Mining, Metallurgical, and Petroleum Engineers and sponsored by the Rocky Mountain Fund, 1957. Hardcover. xiii, 270p., buckram boards gilt as issued, mild fading. Records, among many things, the "first success with opencut mining", i.e., removing mountaintops to expose ore. Rocky Mountain Fund series.

Cat.No: 40746

Price: $15.00

See all items in 1950S, Arizona, Chile, Mining, Minerals, Nevada, Utah
See all items by