Lieb, Robert C <br/><br/>
Transportation  the domestic system 
Robert C. Lieb 
 - 2d ed 
 - Reston, Va  Reston Pub. Co  1980 
 - 400p. :  ill. ;  24cm 
<br/><br/>Includes bibliographies and indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation--United States<br/>Transportation and state--United States