Birdsall Stephen S <br/><br/>
Regional Landscapes of the United States And Canad 
Birdsall Stephen S; Florin John W 
 - New York  Wiley           1978 
 - 416p.  cm. 
<br/><br/><label>ISBN: </label>471073970 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>U21.730j72.N7, L8