| Reference | {Deposit:: LANE, A.C., 1898, UPPER PENINSULA, ISLE ROYALE: GEOLOGICAL SURVEY OF MICHIGAN, V. 6. PT. 1, 281 P.}{Deposit:: HUBER, N.K., 1973, GEOLOGIC MAP OF ISLE ROYALE NATIONAL PARK, KEWEENAW COUNTY, MICHIGAN: USGS MISC. GEOL. INVEST., MAP I-796, SCALE 1:62500}{Deposit:: JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 239, SITE ID # 420082, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}{Production:: LANE, 1898} |