| Reference | {Deposit:: GAUDETTE, H.E., GEOCHEMISTRY OF THE TWIN SISTERS}{Deposit:: ULTRAMAFIC BODY, WASHINGTON, UNPUB. THESIS, UNIV. OF}{Deposit:: ILLINOIS, 1953.}{Deposit:: WASH, DIV. OF MINES AND GEOL. BULL. 37, 1956.}{Deposit:: CHROMITE DEPOSITS OF TWIN SISTERS MTS., WASHINGTON.}{Deposit:: USGS STRATEGIC MINERALS INVENTORY MAP, 1943.}{Deposit:: WASH. DIV. OF MINES AND GEOL. BULL. 57, 1969.}{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.}{Deposit:: WASH. STATE DIV. OF GEOL. AND EARTH RESOURCES, UNPUB}{Deposit:: DATA.} |