Brockman, C. Frank <br/><br/>
Recreational use of wild lands 

 - 3rd ed. 
 - New York  McGraw-Hill  1979 
 - 337 p. 
<br/><br/><label>ISBN: </label>007007982X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>333.78  / REC