Whittlesey, Charles, 1808-1886. Ancient mining on the shores of Lake Superior. By Charles Whittlesey. - [Washington, Smithsonian Institution, 1863] - 29 p. illus., map. 33 cm. - Smithsonian contributions to knowledge. [vol. XIII, art. 4] Smithsonian Institution publication 155. . LCCN: s 13000061 Subjects--Topical Terms: Copper mines and mining--Michigan. Subjects--Geographic Terms: Michigan--Antiquities. LC Class. No.: Q11 / .S68 vol. 13