Walton,William C <br/><br/>
Ground water resource evaluation. 
William C Walton 
 - Tokyo  McGraw-hill Kogakusha  c1970 
 - vi,664p.:ill.;  21cm. 
 - McGraw-Hill series in water resources and environmental engineering. .
<br/><br/><label>Dewey Class. No.: </label>553.79  / WAL