Middleton, Susan,  1948- <br/><br/>
Witness :  endangered species of North America / 
Susan Middleton and David Liittschwager ; in association with the California Academy of Sciences ; with text by Keith Howell, Gordy Slack, Blake Edgar. 
 - San Francisco :  Chronicle Books,  c1994. 
 - 255 p. :  ill. (some col.) ;  31 cm. 
<br/><br/>Includes bibliographical references (p. 248-249) and index. 
<br/><br/><label>ISBN: </label>0811802825 0811802582 (pbk.) 
<br/><br/><label>LCCN: </label>93048877  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Endangered species--Pictorial works.--North America