The porphyry coppers in 1956.

Bibliographic Details
Main Author:	Parsons, A. B. (Arthur Barrette), 1887-1966
Format:	Book
Language:	English
Published:	New York : American Institute of Mining, Metallurgical, and Petroleum Engineers, 1957.
Edition:	1st ed.
Series:	Rocky Mountain fund series.
Subjects:	Copper mines and mining. Copper mines and mining > United States. Porphyry.

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