Todd, David Keith,  1923- <br/><br/>
Groundwater hydrology / 
David Keith Todd. 
 - 2nd ed. 
 - New York :  Wiley,  c1980. 
 - xiii, 535 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>047187616X 047108641X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater.
<br/><br/><label>Dewey Class. No.: </label>551.49