Import traffic of Chicago and its hinterland.
Series: University of Chicago. Dept. of Geography. Research paper -- no. 81; Research paper (University of Chicago. Dept. of Geography) -- no. 81.
Published: 1963
Place of publication: Chicago
Language: eng
Number of pages: 138
Subjects: Harbors -- Illinois -- Chicago; Railroads -- Freight -- Rates -- United States; Chicago (Ill.) -- Commerce; Middle West -- Commerce
Notes: "Selected references": p. 135-138.