The power of water. 

 - [S.l.]:  National Geographic,  1994. 
 - 1 video:  59 min. 
<br/><br/> Examines the critical issues of America's freshwater supplies.  Learn how others are cleaning up the Niagara and Buffalo Rivers.  Explore the Florida Everglades and the High Plains. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supplies.<br/>Freshwater.
<br/><br/><label>Dewey Class. No.: </label>551