Thomson, Betty Flanders <br/><br/>
(The) shaping of America's heartland : the landscape of the Middle West / 
Betty Flanders Thomson 
 -  Houghton Mifflin  1977 
<br/><br/>29868 
<br/><br/><label>Source: </label> Gift 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Landforms - Middle West<br/>Plant ecology - Middle West<br/>Hydrology - Middle West
<br/><br/><label>LC Class. No.: </label>GB  / 428