Jay H. Lehr <br/><br/>
Ground water / 
Edited by Jay H. Lehr 
 - America:   Water Well Journal Publishing Company;  1970. 
 - 48  pages: Illustrations,Pictures,graphs,28cm 
 -  Volume 8,No.4 .
<br/><br/>Guest Editorial  Recent meetings  Professional services 
<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 1970