Lonsdale, John T.  1895-1960. <br/><br/>
Geology and ground-water resources of Webb county, Texas, 
by John T. Lonsdale and James R. Day. Prepared in cooperation with the Engineering experiment station of the Agricultural and mechanical college of Texas and the Texas Board of water engineers. 
 - Washington,  U.S. Govt. print. off.,  1937. 
 - v, 104 p. incl illus., tables.  12 pl. (incl. fold. map (in pocket), fold diagrs.) fold. tabl.  23 cm. 
 - U. S. Geological survey. Water-supply paper 778 .
<br/><br/> At head of title: United States Department of the interior. 
<br/><br/>With : Geology and ground-water resources of Duval county, Texas. Washington : U.S. Govt. Print. Off., 1937. Bound together subsequent to publication. 
<br/><br/><label>LCCN: </label>gs 37000320  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Texas--Webb County.<br/>Groundwater--Texas--Webb County.
<br/><br/><label>LC Class. No.: </label>TC801  / .U2 no. 778