| Reference | {Deposit:: CROSS, C. W., AND HILLEBRAND, W.F., 1885, MINERALOGY OF THE}{Deposit:: MTNS: U.S. GEOL SURVEY BULL. 20, PP. 73-74.}{Deposit:: ECKEL, EDWIN B., 1961, MINERALS OF COLORADO: A 100-YEAR RECO}{Deposit:: U.S. GEOL SURVEY BULL. 1114, PP 91-92.}{Deposit:: HANLEY, J. B., ET. AL., 1950, PEGMATITE INVESTIGATIONS IN CO}{Deposit:: 1942-1944: U.S. GEOLOGICAL SURVEY PROF. PAPER 227, PP 31.}{Deposit:: LANDES, K. K., 1935, COLORADO PEGMATITES: AM. MINERALOGIST,}{Deposit:: R. 5, PP. 319-333.}{Deposit:: PEACOCK, M. A., 1935, TOPAZ FROM DEVILS HEAD, COLORADO: AM.}{Deposit:: MINERALOGIST, V. 20, R.5, PP. 354-363.}{Deposit:: PEARL, R. M., 1958, COLORADO GEM TRAILS AND MINERAL GUIDE: S}{Deposit:: BOOKS, PP. 152-156.} |