Udden, Johan August,  1859-1932. <br/><br/>
A reconnaissance report on the geology of the oil and gas fields of Wichita and Clay counties, Texas / 
by J.A. Udden, assisted by Drury McN. Phillips. 
 - Austin, Tex. :  University of Texas,  1912. 
 - xiv, 308 p., 26 leaves of plates (13 in pocket) :  ill., map ;  23 cm. 
 - Bulletin of the University of Texas ;  no. 246. Scientific series ; no. 23 .
 - Bulletin of the University of Texas ;  Scientific series ; no. 23.  no. 246. .
<br/><br/> At head of title: Bureau of Economic Geology and Technology.  "September 8, 1912"  Includes index. 
<br/><br/><label>LCCN: </label>gs 12000899  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--Texas--Clay County.<br/>Petroleum--Texas--Wichita County.<br/>Natural gas--Texas--Clay County.<br/>Natural gas--Texas--Wichita County.
<br/><br/><label>LC Class. No.: </label>TN872.T4  / U3