Reference | {Deposit:: USGS MINERAL RESOURCE MAP MR-23, 1962}{Deposit:: USGS BULLETIN 427, 1910, 298 P.}{Deposit:: USBM MANGANESE SURVEY, 1952.}{Deposit:: SIMMONS, W.B. MANGANESE MINERALS OF BALD KNOB, NORTH}{Deposit:: CAROLINA. THE MINERALOGICAL RECORD, MAY-JUNE, 1981,}{Deposit:: V. 12, NO. 3, PP. 167-171.} |