Natural resources :   ecology, economics, and policy / 
ed by Jerry Holechek ...[et al] 
 - xx, 730 p. :  ill. ;  24 cm. 
<br/><br/> Include index 
<br/><br/><label>ISBN: </label>0138960771 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Natural resources. 
<br/><br/><label>Dewey Class. No.: </label>333.7  / NAT 2000