Reference | {Deposit:: PARDEE, J.T., 1929, PLATINUM AND BLACK SAND IN WASHINGTON, IN CONTRIBUTIONS TO ECONOMIC GEOLOGY: U.S. GEOLOGICAL SURVEY BULLETIN 805, P. 2-5.}{Deposit:: HUNTTING, M.T., 1955, GOLD IN WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 42, P. 117.} |