Heath, Ralph C. <br/><br/>
Basic ground-water hydrology / 
by Ralph C. Heath ; prepared in cooperation with the North Carolina Department of Natural Resources and Community Development 
 - Washington, D.C. :  United States Government Printing Office,  1993 
 - v, 86 p. :  ill. (some col.), map ;  28 cm. 
 - U.S. Geological Survey water-supply paper ;  2220 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater<br/>Physical geology
<br/><br/><label>Dewey Class. No.: </label>551.449