Swain, Lindsay A. <br/><br/>
Summary of the hydrogeology of the Valley and Ridge, Blue Ridge, and Piedmont physiographic provinces in the eastern United States 
by Lindsay A. Swain, Thomas O. Mesko, and Este F. Hollyday. 
 - Reston, Va.  U.S. Geological Survey  2004. 
 - vi, 23 p.  ill.  28 cm. 
 - Regional aquifer-system analysis--Appalachian Valley and Piedmont  A Professional paper  1422 .
 - U.S. Geological Survey professional paper  1422. .
<br/><br/> Shipping list no.: 2004-0272-P. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>060798077X (pbk.) 
<br/><br/><label>LCCN: </label>2004053336 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquifers--Appalachian Region.<br/>Aqufers--Piedmont (U.S. : Region)
<br/><br/><label>LC Class. No.: </label>GB1199.3.A6  / S93 2004 
<br/><br/><label>Dewey Class. No.: </label>551.49/0974 
<br/><br/><label>GPO Item No.: </label>0624 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.16:1422-A