Reference | {Deposit:: MORLEY, H.T., COMPILER, 1929, GEOLOGIC MAP OF FISHER COUNTY, TEXAS: TEXAS BUREAU OF ECONOMIC GEOLOGY, SCALE 1:48,000.}{Deposit:: EIFLER, G.K., JR., COMPILER, 1974A, IN BARNES, V.E., GEOLOGIC ATLAS OF TEXAS, BIG SPRING SHEET: TEXAS BUREAU OF ECONOMIC GEOLOGY, 6 P., SCALE 1:250,000.}{Deposit:: STROUD, R.B., MCMAHAN, A.B., STROUP, R.K., AND HIBPSHMAN, M.H., 1970, U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 7422, 103 P.} |