Locklin, D. Philip  1897- <br/><br/>
Economics of transporation / 
by D. Philip Locklin. 
 - Sixth edition 
 - xii, 882 pages :  illustrations , maps ;  24 cm. 
 - The Irwin series in economics .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>66011819  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation--United States.<br/>Railroads--United States.
<br/><br/><label>LC Class. No.: </label>HE206  / .L6 1966 
<br/><br/><label>Dewey Class. No.: </label>338.47