Water quality in the Upper Mississippi River Basin, Minnesota, Wisconsin, South Dakota, Iowa, and North Dakota, 1995-98 / 
by J.R. Stark ... [et al.]. 
 - Reston, Va. :  Denver, CO :  U.S. Geological Survey, Water Resources Division ;  Free on application to the U.S. Geological Survey, Information Services,  2000. 
 - iv, 35 p. :  col. ill., col. maps ;  28 cm. 
 - U.S. Geological Survey circular ;  1211 .
<br/><br/> 'National Water-Quality Assessment (NAWQA) Program'--P. [4] of cover. 
<br/><br/>Includes bibliographical references (p. 26-28). 
<br/><br/><label>ISBN: </label>0607954167 (alk. paper) 
<br/><br/><label>LCCN: </label>00-049466 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality--Mississippi River Watershed.