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. 
 - Cambridge [Cambridgeshire] ;  New York :  Cambridge University Press,  1987. 
 - xv, 630 p. :  ill. ;  24 cm. 
 - Studies in environment and history .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 544-604. 
<br/><br/><label>ISBN: </label>0521324289 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy--History.--United States<br/>Environmental protection--History.--United States
<br/><br/><label>Dewey Class. No.: </label>363.70973  / HAB 1987