Reference | {Deposit:: EIFLER, G.K., JR., 1974B, IN BARNES, V.E., GEOLOGIC ATLAS OF TEXAS, SAN ANGELO SHEET: TEXAS BUREAU OF ECONOMIC GEOLOGY, 5 P., SCALE 1:250,000.}{Deposit:: BEEDE, J.W., AND BENTLEY, W.P., 1918, TEXAS BUREAU OF ECONOMIC GEOLOGY, BULLETIN 1850, 82 P. (P. 34-35, 37-38, MAP).}{Deposit:: HALE, D.K., 1972, EVIDENCE OF EARLY SPANISH MINING IN THE BIG COUNTRY OF WEST TEXAS: ABILENE CHRISTIAN COLLEGE, M.A. THESIS, 230 P. (P. 152)} |