Peterson, Roger Tory,  1908- <br/><br/>
A field guide to western birds :  a completely new guide to field marks of all species found in North America west of the 100th meridian and north of Mexico / 
text and illustrations by Roger Tory Peterson ; maps by Virginia Marie Peterson. 
 - 3rd ed., completely rev. and enl. 
 - Boston :  Houghton Mifflin,  1990. 
 - 432 p. ;  col. ill. ;  20 cm. 
 - The Peterson field guide series ;  2 .
<br/><br/> "Sponsored by the National Audubon Society, the National Wildlife Federation, and the Roger Tory Peterson Institute." 
<br/><br/>Includes bibliographical references (p. 416) and index. 
<br/><br/><label>ISBN: </label>0395517494 :  $22.45 
<br/><br/><label>LCCN: </label>89031517 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds--Identification.--Canada, Western<br/>Birds--Identification.--West (U.S.)
<br/><br/><label>LC Class. No.: </label>QL683.W4  / P4 1990 
<br/><br/><label>Dewey Class. No.: </label>598.2978