| Reference | {Deposit:: SELLARDS, E.H., AND EVANS, G.L., 1946, TEXAS BUREAU OF ECONOMIC GEOLOGY, BULLETIN 4301, P. 359-383 (PL. 24).}{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. (P. 16).} |