Bauer, Ervin A. <br/><br/>
yellowstone 
/ text by Erwin A. Bauer; photogr. by Erwin and Peggy Bauer 
. - 127p.  : Ill.  ; 29Cm. 
<br/><br/><label>ISBN: </label>0896581772 
<br/><br/><label>Universal Decimal Class. No.: </label>712.23