| Reference | {Deposit:: SIMMONS, W.B., AND HEINRICH, E.W., 1980, RARE-EARTH PEGMATITES OF THE SOUTH PLATTE DISTRICT, COLORADO: CGS RESOURCE SER. 11, 131 P.}{Deposit:: PETERSON, W.L., 1964, GEOLOGY OF THE PLATTE CANYON QUADRANGLE, COLORADO: USGS BULL. 1181-C, 23 P., 1 PL.}{Deposit:: ADAMS, J.W., AND SHARP, W.N., 1971, THALENITE IN THE WHITE CLOUD PEGMATITE, SOUTH PLATTE DISTRICT, JEFFERSON COUNTY, COLORADO (ABS.): CANADIAN MINERALOGIST, V. 10, P. 907.}{Deposit:: ADAMS, J.W., AND SHARP, W.N., 1972, THALENITE AND ALLANITE DERIVED FROM YTTROFLUORITE IN THE WHITE CLOUD PEGMATITE, SOUTH PLATTE AREA, COLORADO: USGS PROF. PAPER 800-C, P. C63-C69.}{Deposit:: HAYNES, C.V., JR., 1958, RARE-EARTH MINERALIZATION IN THE WHITE CLOUD MINE NEAR SOUTH PLATTE, JEFFERSON COUNTY, COLORADO (ABS.): GSA BULL., V. 69, NO. 12, PT. 2, P. 1729-1730.}{Deposit:: HAYNES, C.V., JR., 1965, GENESIS OF THE WHITE CLOUD AND RELATED PEGMATITES, SOUTH PLATTE AREA, JEFFERSON COUNTY, COLORADO: GSA BULL., V. 76, NO. 4, P. 441-461.}{Production:: COLORADO DIV. MINES ANN. OPERATORS REPTS.} |