Lake Superior Mining Institute: np (Ishpeming), 1900. Hardcover. Very Good. Item #21-2608
Illus., 9 x 6", green cloth, gilt lettering on cover, 58pp. Covers have light wear, rubbing and soiling, toning to endpapers, contents very good condition. Some of the articles: "The Pewabic Concentrating Works", "Electric Signals At The West Vulcan Mine", "Method Of Mining At The Badger Mine". SCARCE.