| Reference | {Deposit:: GAUDETTE, H.E., GEOCHEMISTRY OF THE TWIN SISTERS}{Deposit:: ULTRAMAFIC BODY, WASHINGTON, UNPUB. THESIS, UNIV. OF}{Deposit:: ILLINOIS, 1953.}{Deposit:: WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II,}{Deposit:: VOL. 1, P. 42.}{Deposit:: WA. DIV. MINES AND GEOL. BULLETIN 57, 1969, TABLE 19,}{Deposit:: P. 68.}{Deposit:: RAGAN, D.M., GEOL. OF TWIN SISTERS DUNITE NORTHERN}{Deposit:: CASCADES, WASHINGTON, UNPUB THESIS UNIV OF WASH, 1961.}{Deposit:: SPANSKI, G.T., TWIN SISTERS MTS, WASH, UNIV OF}{Deposit:: ILLINOIS 1963.}{Deposit:: CHROMITE DEPOSITS OF THE THREE LAKES AREA, TWIN SISTERS}{Deposit:: RANGE, WHATCOM AND SKAGIT COUNTIES, WASH., SUNSHINE}{Deposit:: MINING CO. CONFIDENTIAL REPORT, 1942.} |