Porch, E. L.  1889- <br/><br/>
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 .
 - University of Texas bulletin ;  no. 1722 .
<br/><br/> At head of title: Bureau of Economic Geology and Technology. 
<br/><br/><label>LCCN: </label>gs 17000362  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sulfur deposits--Texas--Rustler Springs.
<br/><br/><label>LC Class. No.: </label>TN890  / .P6