Everhart, William C. <br/><br/>
The national park service/  
William C. Everhart. 
 - New York :   Praeger,   1972. 
 - 276 p. : 
<br/><br/> Includes index  
<br/><br/><label>Subjects--Topical Terms: </label><br/>National parks 
<br/><br/><label>LC Class. No.: </label>SB 482 .A4E95 1972