The porphyry coppers
By: by A. B. Parsons.
Contributors: American Institute of Mining, Metallurgical, and Petroleum Engineers.
Edition: 1st ed.
Series: Rocky mountain fund series
Publisher: the american institute of mining and metallurgical engineers
Published: 1933
Place of publication: New York
Language: eng
Number of pages: 581
Subjects: Copper mines and mining.; Copper mines and mining -- United States.; Porphyry.
Notes: "Published by the American institute of mining and metallurgical engineers, sponsored by the Rocky mountain fund."