Reference | {Deposit:: LAKE SUPERIOR IRON ORES, MINING DIRECTORY AND STATISTICAL RE}{Deposit:: PUBLISHED BY THE LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, P}{Deposit:: DUTTON, CARL E. AND ZIMMER, PAUL W., IRON ORE DEPOSITS OF TH}{Deposit:: MENOMINEE DISTRICT, MICHIGAN, GRATON SALES ORE DEPOSITS OF U}{Deposit:: STATES 1933-1967, VOLUME I, 1968,PP. 539-549.} |