Kuniansky, Eve L., <br/><br/>
Hydrogeology and ground-water flow in the Edwards-Trinity aquifer-system, west-central, Texas / 
by Eve L. Kuniansky and Ann F. Ardis. 
 - 1 online resource (vii, 78 pages, 4 pages of plates) :  color illustrations, color maps. 
 - Regional aquifer-system analysis--Edwards-Trinity aquifer system Professional paper ;  1421-C .
 - Regional aquifer-system analysis--Edwards-Trinity aquifer system ;  C. U.S. Geological Survey professional paper ;  1421. .
<br/><br/> Title from title screen (viewed October 9, 2015).  CRDP Project record. 
<br/><br/>Includes bibliographical references (pages 62-71). 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Edwards Aquifer (Tex.)<br/>Trinity Aquifer (Tex.)<br/>Texas--Edwards Aquifer.<br/>Texas--Trinity Aquifer.
<br/><br/><label>GPO Item No.: </label>0624 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.16:1421-C