Fisher, Ronald M. <br/><br/>
Heartland of a continent  America's Plains and pairies 
Ronald M. Fisher 
 - Washington, D.C.  National Geographic Society  1991. 
<br/><br/><label>ISBN: </label>0870448307 
<br/><br/><label>Subjects--Topical Terms: </label><br/>West U.S--Geography<br/>Prairies--North America<br/>Plains--North America<br/>Prairie Provinces--Geography<br/>Great Plains--Geography<br/>Middle West--Geography