TY  - BOOK
AU  - Whittlesey,Charles
TI  - Ancient mining on the shores of Lake Superior
T2  - Smithsonian contributions to knowledge. [vol. XIII, art. 4]
AV  - Q11 .S68 vol. 13
PY  - 1863///]
CY  - [Washington
PB  - Smithsonian Institution
KW  - Copper mines and mining
KW  - Michigan
KW  - Antiquities
ER  -