| Reference | {Deposit:: TEXAS BUREAU OF ECONOMIC GEOLOGY, 1991, NONPETROLEUM MINERAL PRODUCERS IN TEXAS.}{Deposit:: PLUMER, F.B., ET AL , 1949, CLAY DEPOSITS OF THE CISCO GROUP OF NORTH-CENTRAL TEXAS: UNIV. OF TEXAS PUBLICATION 4915, 42 P.}{Other Database:: CIMRI}{Reserve-Resource:: PLUMMER ET AL (1949), P. 12} |