Winckler, Suzanne,  1946- <br/><br/>
The Smithsonian guides to natural America.  The Heartland--Illinois, Iowa, Nebraska, Kansas, and Missouri / 
 Heartland--Illinois, Iowa, Nebraska, Kansas, and Missouri 
text, Suzanne Winckler ; photography, Willard Clay ... [et al.] ; preface, Thomas E. Lovejoy. 
 - Washington, D.C. ;  New York :  Smithsonian Books ;  Random House,  1997. 
 - xv, 286 p. :  col. ill., col. maps ;  22 cm. 
 - 508.77 .
<br/><br/>Includes bibliographical references (p. 254-255) and index. 
<br/><br/><label>ISBN: </label>067976481X (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--Guidebooks.--Middle West
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Middle West--Guidebooks.
<br/><br/><label>Dewey Class. No.: </label>508.77