Todd, David Keith,  b.1923 <br/><br/>
Groundwater hydrology / 
David Keith Todd 
 - 2nd ed. 
 - New York :  Wiley,  1980 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>047187616X  23.95 (est.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water, Underground