Udden, Johan August,  1859-1932. <br/><br/>
The Thrall oil field / 
by J.A. Udden and H.P. Bybee ; Ozokerite from the Thrall oil field / by E.P. Schoch ; The chemical composition of the petroleums obtained at Thrall, Texas / by E.P. Schoch and W.T. Read. 
 - Austin, Tex. :  The University,  [1916] 
 - 93 p., 4 leaves of plates :  ill., maps ;  24 cm. 
 - Bulletin of Texas ;  no. 66: November 25, 1916 .
<br/><br/> At head of title: Bureau of Economic Geology and Technology. 
<br/><br/><label>LCCN: </label>gs 17000299  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--Texas--Thrall.<br/>Ozokerite.<br/>Petroleum--Geology--Texas--Thrall.
<br/><br/><label>LC Class. No.: </label>TN872.T4  / U4