The evolution of the unit train, 1960-1969 /

Bibliographic Details
Main Author:	Starr, John T., 1939-
Format:	Book
Language:	English
Published:	Chicago : University of Chicago, Dept. of Geography, 1976.
Series:	Research paper (University of Chicago. Department of Geography) ; no. 158.
Subjects:	Railroads > United States > Freight. Railroad trains > Loads.