00970cam a22002651a 4500 gs 17000362 DLC 20260227111321.0 740812s1917 txuabf b 001 0 eng c gs 17000362 (OCoLC)975521 U.S. Geol. Surv. Library NSyU TxKT OCoLC DLC premarc n-us-tx TN890 .P6 Porch, E. L. (Edwin Leight), 1889- The Rustler Springs sulphur deposits / by E.L. Porch, Jr. Austin, Tex. : The University, 1917. 71 p., 9 leaves of plates : ill., map ; 23 cm. University of Texas bulletin ; no. 1722: April 15, 1917 At head of title: Bureau of Economic Geology and Technology. Sulfur deposits Texas Rustler Springs. University of Texas. Bureau of Economic Geology and Technology. University of Texas bulletin ; no. 1722 25784 25784