Watkins, T. H.  1936- <br/><br/>
Natural America / 
T. H. Watkins & National Geographic Society (U.S.). 
 - Washington, D.C. :  National Geographic Society,  c1998. 
 - 200 p. :  col. ill. ;  26 cm. 
<br/><br/> "Prepared by the Book Division, National Geographic Society." 
<br/><br/>Includes bibliographical references (p. 196) and index. 
<br/><br/><label>ISBN: </label>0792270606 0792270649 (dlx) 9780792270607 9780792270645 (dlx) 
<br/><br/><label>LCCN: </label>97045239  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--United States.<br/>Nature conservation--United States.
<br/><br/><label>LC Class. No.: </label>QH104  / .W37 1998 
<br/><br/><label>Dewey Class. No.: </label>508.73