The porphyry coppers in 1956.
Edition: 1st ed.
Series: Rocky mountain fund series
Publisher: American Institute of Mining, Metallurgical, and Petroleum Engineers
Published: 1957
Place of publication: New York
Language: eng
Number of pages: 270
Subjects: Copper mines and mining.; Copper mines and mining -- United States.; Porphyry.
Notes: "Covers the period from 1932 to 1955."