Mason, Robert J. <br/><br/>
Atlas of United States environmental issues / 
Robert J. Mason and Mark T. Mattson. 
 - New York ;  Toronto ;  New York :  Macmillan ;  Collier Macmillan ;  Maxwell Macmillan International,  1990. 
 - xi, 252 p. :  col. ill., col. maps ;  26 cm. 
<br/><br/><label>ISBN: </label>0028972619 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature conservation--Maps.--United States<br/>Pollution--Environmental aspects--Maps.--United States