Water quality in South Central Texas, Texas, 1996-98 / 
by Peter W. Bush ... [et al.]. 
 - Reston, VA :  U.S. Geological Survey, Water Resources Division,  2000. 
 - iv, 32 p. :  col. ill., col. maps ;  28 cm. 
 - U.S. Geological Survey circular ;  1212 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0607954175 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality--Texas--Nueces River Watershed.<br/>Water quality--Texas--San Antonio River Watershed.<br/>Water quality--Texas--Guadalupe River Watershed.
<br/><br/><label>LC Class. No.: </label>TD224.T4  / W379 2000