| Reference | {Deposit:: COLE, J.W., 1944, MACKINAW METALS MINE, SNOHOMICH COUNTY, WASHINGTON: U.S. BUREAU OF MINES WAR MINERALS REPORT 156, 11 P.}{Deposit:: MILTON, CHARLES, AND MILTON, D.J., 1958, NICKEL-GOLD ORE OF THE MACKINAW MINE, SNOHOMISH COUNTY, WASHINGTON: ECONOMIC GEOLOGY, V. 53, NO. 4, P. 426-447.}{Deposit:: CORNWALL, H.R., 1966, NICKEL DEPOSITS OF NORTH AMERICA: U.S. GEOLOGICAL SURVEY BULLETIN 1223, P. 56-57.}{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 87.}{Deposit:: TABOR, R.W., FRIZZELL, V.A., JR., BOOTH, D.B., WHETTEN, J.T., WAITT, R.B., JR., AND ZARTMAN, R.E., 1982, PRELIMINARY GEOLOGIC MAP OF THE SKYKOMISH RIVER 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-747, SCALE1:100,000.}{Reserve-Resource:: UNPUB. COBALT REPORT} |