Sanderson, Ivan T. <br/><br/>
The continent we live on / 
Ivan T. Sanderson 
 - New York :  Random House,  c1961 
 - 299 p. :  ill. (some col.), map ;  33 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 20.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography--North America<br/>Natural history--North America
<br/><br/><label>Dewey Class. No.: </label>574.97