| Reference | {Deposit:: WILSON, M.L. AND DYL, S.J., III, 1992, THE MICHIGAN COPPER COUNTRY: MINERALOGICAL RECORD, V. 23, P. 1-76.}{Deposit:: BUTLER, R.S. AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 144, 238 P.}{Deposit:: WHITE, W.S., 1968, THE NATIVE COPPER DEPOSITS OF NORTHERN MICHIGAN: IN J.D. RIDGE, (EDITOR), ORE DEPOSITS OF THE UNITED STATES (1933-1967) (GRATON-SALES VOLUME): AM. INSTIT. MIN. METALL. PETROL. ENG., VOL. 1, 303-325.}{Production:: WHITE, 1968} |