CAMPBELL(MICHAEL D); LEHR(JAY H) <br/><br/>
Water Well Technology 

 -  1973  McGraw Hill Book Company Inc. 
 - 1-681  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil & Water Conservation
<br/><br/><label>Dewey Class. No.: </label>DT27    L3;1