Geology and Ore Deposits of Copper Mountain and Kasaan Peninsula, Alaska: Professional Paper 87.

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11.5" x 9". 110pp. Bound in the original printed paper wrappers. Wrappers fairly soiled, binding weak, considerable edge wear, overall a VG working copy. This important study was produced by the U. S. Department of the Interior and The United States Geological Survey. With sections on the geology of the Ketchikan district, the Kasaan Peninsula and the Copper Mountain area, mining activity, genesis of the ores, etc. With many maps, illustrations after black & white photographs, and two large color folding maps in a pocket at the rear of the book. N° de ref. del artículo 3969

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