American Institute of Mining Engineers. Very Good. 1885. Pamphlet. From the Transactions of the American Institute of Mining Engineers, Read at the Chattanooga Meeting, May, 1885. Light soil and wear on edges. This geologic analysis of the Leadville, Colorado mining district includes several cross-section illustrations of claims and a folding map with borders measuring 11 1/2" x 14 1/2", with California Gulch and the claims marked. ; B&W Illustrations; 8vo - over 7¾ - 9¾" tall; 9 pp . (Inventory #: 011695)
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