| Reference | {Deposit:: CHELF, C., 1941, THE CRUSHED QUARTZ INDUSTRY OF LLANO COUNTY: TEXAS BUREAU OF ECONOMIC GEOLOGY MRC-37, 2 P.}{Deposit:: BARNES, V.E., 1978, GEOLOGY OF THE CAP MOUNTAIN QUADRANGLE, LLANO COUNTY TEXAS: TEXAS BUREAU OF ECONOMIC GEOLOGY GQ-45, 24 P.}{Other Database:: CIMRI} |