Watkins, T. H. <br/><br/>
Natural America 
by T.H. Watkins. 
 - Washington,D.C.  National Geographic Society  c1998. 
 - 200 p.  col.ill.  26 cm. 
<br/><br/> "Prepered by the Book Division National Geographic Society" 
<br/><br/>Includes bibliographical references (p. 196) and index. 
<br/><br/><label>ISBN: </label>0792270606 
<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