Starr, John T.,  1939- <br/><br/>
The Evolution of unit train, 1960-1969 / 
by John T. Starr 
 - Chicago, Ill. :  University of Chicago,  1976 
 - 233 p. :  ill. ;  23 cm. 
 - Research paper - The University of Chicago, Department of Geography  no. 158 .
<br/><br/>Bibliography : p. 215-233 
<br/><br/><label>ISBN: </label>0890650659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Railroads--Freight--United States<br/>Railroads--Train load
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Railroads--Freight