Hays, Samuel P. <br/><br/>
Beauty, health, and permanence :  environmental politics in the United States, 1955-1985 / 
Samuel P. Hays in collaboration with Barbara D. Hays. 
 - xv, 630 pages :  illustrations 
 - Studies in environment and history .
 - Studies in environment and history. .
<br/><br/> Includes index. 
<br/><br/>Bibliography: pages 544-604. 
<br/><br/><label>ISBN: </label>0521324289 0521389283 
<br/><br/><label>LCCN: </label>86018784  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy--History.--United States<br/>Environmental protection--History.--United States
<br/><br/><label>LC Class. No.: </label>HC110.E5  / H39 1987 
<br/><br/><label>Dewey Class. No.: </label>363.7/0525/0973/  / HAY