Robbins, Jim. <br/><br/>
Last refuge :  the environmental showdown in Yellowstone and the American West / 
Jim Robbins. 
 - 1st ed. 
 - New York :  Morrow,  1993. 
 - 285 p. :  maps. 
 - 33 .
<br/><br/>Includes bibliographical references (p. [268]-269) and index. 
<br/><br/><label>ISBN: </label>0688111785 (acid-free paper) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public lands--West (U.S.)<br/>Environmental protection--Yellowstone National Park.<br/>Environmental protection--West (U.S.)
<br/><br/><label>Subjects--Geographic Terms: </label><br/>West (U.S.)--Description and travel.<br/>Yellowstone National Park.
<br/><br/><label>Dewey Class. No.: </label>33