Gregor, Howard F. <br/><br/>
Environment and economic life :  an economic and social geography / 
Howard F. Gregor 
 - Princeton, N.J. :  Van Nostrand,  c1963 
 - 498 p. :  ill. ;  26 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 8.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic geography
<br/><br/><label>Dewey Class. No.: </label>330.9