Reference | {Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF. PAPER NO. 144, 238 PP.}{Deposit:: DAVIDSON, E.S., ESPENSHADE, G.H., WHITE, W.S., AND WRIGHT, .J.C., 1955, BEDROCK GEOLOGY OF THE MOHAWK QUADRANGLE, MICHIGAN: USGS MAP GQ-54, SCALE 1:24000}{Production:: BUTLER AND BURBANK, 1929} |