305, [1] + [6] ad pp. Illus. with 16 plates from diagrams & drawings, printed in reverse (white on black); folding sectional plan. 8¾x5¼, original blindstamped cloth decoratively lettered in gilt on front cover & spine. First Edition.

Powell lived and worked in early Nevada, and he gives many details of the mineral wealth, mining and milling methods, the Sutro Tunnel, mining methods, geographical features, biographies of leading citizens, etc. Paher says the work is "one of the best reference books on early Nevada mill construction," and calls the reverse views of mining machinery "stunning." Howes P526; Paher 1577. Rubberstamps of Hemme's Ranch Library on the pastedowns.