Douglass, Robert W. <br/><br/>
Forest recreation / 
by Robert W. Douglass 
 - 1st ed. 
 - New York :  Pergamon Press ;  1969 
 - xi, 335 p. :  ill., maps. ;  23  cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>LCCN: </label>68-008530 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Outdoor recreation--United States