Lake Superior Mining Institute: np (Ishpeming), 1925. Hardcover. Very Good. Item #21-2606
Illus., maps, plans, 9 x 6", green cloth, gilt lettering on cover, 374pp. Covers have staining with bumped spine tips and worn extremities, inner hinges cracked, one illus. becoming detached, a few tears else good to very good condition. Maps include the Marquette Range and Sault Ste. Marie. Some of the articles: "The Principles Of Mine Fan Installation", "Present Scraping Practice At The Cliff Mines Shaft", "The Ontario And Quebec Gold Fields". SCARCE.