Reference | {Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.}{Deposit:: WHITE, W.S., AND WRIGHT, J.C., 1956, GEOLOGIC MAP OF THE SOUTH RANGE QUADRANGLE, MICHIGAN: USGS MAP MF-48, SCALE 1:24000}{Production:: BUTLER, B.S., AND BURBANK, W.S., 1929, P.82.} |