Recreation symposium proceedings. 

 - Upper Darby, Pa.  U.S. Northeastern Forest Experiment Station  1971. 
 - 211 p.  illus. 
<br/><br/> Cover title. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>76616163  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forest reserves--Recreational use--Congresses.--United States
<br/><br/><label>LC Class. No.: </label>SD427.R4  / F67 1971 
<br/><br/><label>Dewey Class. No.: </label>333.7/8/0973