Thoman, Richard S. <br/><br/>
The geography of economic activity 
Richard S. Thoman, Edgar C. Conkling [and] Maurice H. Yeates. Cartography by Henry W. Castner. 
 - New York  McGraw-Hill  1962. 
 - 602 p.  illus. (part col.), maps (part col.) 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>91024960 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic geography
<br/><br/><label>LC Class. No.: </label>HF1025  / .T47 1968 
<br/><br/><label>Dewey Class. No.: </label>330.9