Tooker, E.W. et al.

Gold in Porphyry Copper Systems

Washington, D. C. U. S. Geological Survey Bulletin, 1990. First Edition. Paperback. Very Good. Item #20261

Unmarked. ; Book Description; Spine has staples. Pages are clean and not marred by notes or folds. Covers are square with wear as noted. Ships Safe and Fast. ; U. S. Geological Survey Bulletin; Vol. 1857E; 4to 11" - 13" tall; 55 pages DU4.

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