Reference | {Deposit:: COPPER RANGE CO. UNPUBLISHED, 1968, BEDROCK GEOLOGY MAP OF THE ROCKLAND (NW 1/4 ) QUADRANGLE, ONTONAGON COUNTY, MICHIGAN. GEOLOGY MAPPED AND COMPILED BY COPPER RANGE EXPLORATION CO., INC., AND BY H. HUBBARD (U.S.G.S.)}{Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929. THE COPPER DEPOSITS OF MICHIGAN: U.S. GEOLOGICAL SURVEY PROF. PAPER 144, 238P.}{Deposit:: WILBAND, J.T., 1978, THE COPPER RESOURCES OF NORTHERN MICHIGAN; PREPARED FOR THE U.S. BUREAU OF MINES, CONTRACT NO. J0366067, 66P.}{Deposit:: JOHNSON, A.M., AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 244-250, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}{Production:: BUTLER AND BURBANK (1929)} |
Reporter | Yeager, Keith (Cannon, W.), Sutphin, D.M., Mason Jr., G.T., Anderson, Arlene (M. Gere) |