Reference | {Deposit:: SHELBY, C.A., 1965, HEAVY MINERALS IN THE WELLBORN FORMATION, LEE AND BURLESON COUNTIES, TEXAS: TEXAS BUREAU OF ECONOMIC GEOLOGY REPT. INVEST. 55, 54P.}{Deposit:: HAHN, A., ET AL, 1961, TITANIUM-BEARING DEPOSITS IN SOUTH TEXAS: US BUREAU OF MINES RI 5712, 84 P.}{Deposit:: DRILLING AND SAMPLING BY US BUREAU OF MINES 1958.}{Deposit:: FIELD WORK AND LAB ANALYSES 1956-1960 BY C.A. SHELBY, P.T. FLAWN, AND J.M. PEGG, TEXAS BUREAU OF ECONOMIC GEOLOGY.}{Reserve-Resource:: HAHN ET AL (1961)} |