Author: SPENCER, ARTHUR C.
Title: The geology and ore deposits of Ely, Nevada.
Description: 1917. United States Geological Survey Prof. Paper 96; 189 pp. 4 fig. 15 plts. h.t. some col./folding-out (including 2 fold. & col. maps in pocket). Orig. wrps. with libr. stciker in corner of front cover, otherwuise very good, bindings tight, 4to.

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