Locklin D Philip <br/><br/>
Economics of transporation / 
by D. Philip Locklin. 
 - 6th ed. 
 - Homewood, Ill.,    R. D. Irwin,  1966. 
 - xii, 882 p. :  illus., maps.   24 cm. 
 - The Irwin series in economics .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation--United States<br/>Railroads--United States
<br/><br/><label>LC Class. No.: </label>HE206  
<br/><br/><label>Dewey Class. No.: </label>338.473805