Wirth Conrad L  

 - _Parks,politics,and the people  
 - USA U.O.P 1980  
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>806116056 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_National parks and reserves 
<br/><br/><label>LC Class. No.: </label>SB 482.A4W57