Washington DC: Government Printing Office, 1912. First edition. Paperback. 231pp. Quarto [29.5 cm] 1/4 black cloth with printed wraps. Fair. The text block has come away from the covers. Item #17922
With 2 maps in the rear pocket. Deals with occurrence of the ores, Ontario and Empire Canyons, Woodside Gulch, and much more.