Aspen. Colorado: 1903. [Mining][Colorado] 1903 Mining Notes Aspen, Colorado Engineering Notebooks Smuggler Mine and Others. W.E. Tracy, Aspen, Colorado 1903. 4 x 6.5 inches. 72, 86 pp.
Light wear to exterior of notebooks with worn label on front. Interior is remarkably clean. Pencil sketches remain very sharp. Very good condition.
Two engineering notebooks of W.E. Tracy of Aspen Colorado. Tracy was superintendent of the Liberty Bell Gold Mining Co, in Aspen and published several technical articles on Aspen area mining including "Engineer and Mining Journal" titled " Cyanide Practice at the Liberty Bell Mill, Telluride, Colorado" from 1906. Sketches include pumps, timbering. ore bins, terminals, tramways, frames and shafts. Mines include the Smuggler, Durant, Mollie Gibson and Free Silver. Item #310