| Reference | {Deposit:: LLOYD, A.M., AND THOMPSON, W.C., COMPILERS, 1929, AREAL MAP SHOWING OUTCROPS ON THE EASTERN SIDE OF THE PERMIAN BASIN OF WEST TEXAS: TEXAS BUREAU OF ECONOMIC GEOLOGY, SCALE 1:220,000.}{Deposit:: SMITH, G.E., 1974, TEXAS BUREAU OF ECONOMIC GEOLOGY, REPORT OF INVESTIGATIONS 80, 84 P. (P. 68, PL. III).}{Deposit:: HENTZ, T.F., AND BROWN, L.F., JR., 1987, IN BARNES, V.E., GEOLOGIC ATLAS OF TEXAS - WICHITA FALLS-LAWTON SHEET: TEXAS BUREAU OF ECONOMIC GEOLOGY, SCALE 1:250,000.}{Deposit:: CUMMINS, W.F., 1891, TEXAS GEOLOGICAL SURVEY, 2ND ANNUAL REPORT, P. 359-552 (PL. 18).} |