Barss, Karen. <br/><br/>
Clean Water /  
Karen Barss. 
 - New York :  Chelsea House,  c 1992. 
 - 112 p. :  ill. ;  24 cm. 
 - Earth at Risk .
<br/><br/> Includes index. 
<br/><br/>Bibliography :  p.102-03. 
<br/><br/> . 
<br/><br/><label>ISBN: </label>0-7910-1583-1, 0-7910-1608-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-Pollution.
<br/><br/><label>Dewey Class. No.: </label>363.61 / B23c