Thomas, H. E.  1906- <br/><br/>
The conservation of ground water :  a survey of the present ground-water situation in the United States / 
By Thomas, H. E. 
 - 1st ed. 
 - New York :  McGraw-Hill,  1951. 
 - xv, 327 p. ;  maps (part fold.) ;  24 cm. 
<br/><br/> "Sponsored by the Conservation Foundation." 
<br/><br/>Bibliography: p. 301-321. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater--United States.<br/>Water-supply--United States.<br/>Water conservation--United States.
<br/><br/><label>Dewey Class. No.: </label>551.49  / THC