Interpreting the environment / 
[edited by] Grant W. Sharpe. 
 - New York :  Wiley,  c1976. 
 - xvi, 566 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0471778966 
<br/><br/><label>LCCN: </label>76004564 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--Study and teaching.<br/>Nature study.<br/>Park rangers.<br/>National parks and reserves.
<br/><br/><label>LC Class. No.: </label>QH51  / .I5 
<br/><br/><label>Dewey Class. No.: </label>350/.863