McLeish, Ewan <br/><br/>
Keeping Water Clean / 
by Ewan McLeish 
 - Texas :   Steck-Vaghn Company ;  1998 . 
 - 48 pages :   color illustrations, maps ;  29 cm .  
 - Protecting Our Planet .
<br/><br/> Part of a series of books that provides a world wide survey of many environmental themes, reflecting the concerns of today. This book explains how environments are affected by human interference, as well as the benefits people gain by exploiting their environments. 
<br/><br/><label>ISBN: </label>9780817249359 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality management --Juvenile Literature 
<br/><br/><label>LC Class. No.: </label>TD365.M35 
<br/><br/><label>Dewey Class. No.: </label>363.739