| Reference | {Deposit:: BARNES, V.E., 1954, PHOSPHORITE IN EASTERN LLANO UPLIFT OF CENTRAL TEXAS: TEXAS BUREAU ECONOMIC GEOLOGY REPT. INVEST. 23, 9 P.}{Deposit:: BARNES, V.E., 1982, GEOLOGY OF THE MARBLE FALLS QUADRANGLE, BURNET AND LLANO COUNTIES, TEXAS: TEXAS BUREAU OF ECONOMIC GEOLOGY GQ 48, 15 P.}{Other Database:: CIMRI} |