Clawson, Marion <br/><br/>
Economics of outdoor recreation 
by Marion Clawson and Jack L. Knetsch 
 - Baltimore  Johns Hopkins  1966 
 - 328p. 
<br/><br/> $8.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Recreation - U.S.A.
<br/><br/><label>Dewey Class. No.: </label>OAx73 C578