Walker, Bryce S. <br/><br/>
The Great Divide, 
by Bryce S. Walker, and the editors of Time-Life Books. 
 - New York,  Time-Life Books  [1973] 
 - 184 p.  illus. (part col.)  27 cm. 
 - The American wilderness .
<br/><br/>Bibliography: p. 180. 
<br/><br/><label>LCCN: </label>73081327  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--Rocky Mountains.
<br/><br/><label>LC Class. No.: </label>QH104.5.R6  / W34