| Reference | {Deposit:: SECTION FILES, MICHIGAN GEOLOGICAL SURVEY, CLEVELAND - CLIFFS IRON CO., 1953 , METROPOLIS MINE EXPLORATION, SECTION FILES OF GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPT. OF NATURAL RESOURCES, LANSING, MICHIGAN.}{Deposit:: LAKE SUPERIOR IRON ORE ASSOCIATION, 1938 , LAKE SUPERIOR IRON ORES ( 1ST ED ): CLEVELAND, OHIO, P. 87 .}{Deposit:: KLASNER, J. S., CANNON, W. F., 1976 , GEOLOGIC MAP AND GEOPHYSICAL INTERPRETATION OF THE WITCH LAKE QUADRANGLE, MARQUETTE, IRON AND BARAGA COUNTIES, MICHIGAN: US GEOLOGICAL SURVEY, MISCELLANEOUS INVESTIGATIONS SERIES, MAP I-987 .} |