Contaminants in the Mississippi River, 1987-92 / 
edited by Robert H. Meade. 
 - Washington, D.C. :  U.S.Government Printing Officer,  1995. 
 - xiii, 140 p. :  col. ill., col. maps ;  28 cm. 
 - U.S. Geological Survey circular ;  1133 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LC Class. No.: </label>TD223.4  / .C657 1995