Ground water. / 
Jay H. Lehr 
 - America:  Water Well Journal Publishing Company;   1986. 
 - (722-842) pages: Illustrations, 28cm 
 -  Volume 24,No.6 .
<br/><br/>Ground water in the news Historical Perspectives<br/> Metric English unit conversion table<br/> 
<br/><br/><br/>In English  
<br/><br/> Pbk  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ground water | Journal
<br/><br/><label>Dewey Class. No.: </label>553 GRO 1986