Preferential transportation rates and their relation to import and export traffic of the United States.
Publisher: Govt. Print. Off.
Published: 1922
Place of publication: Washington
Language: eng
Number of pages: 316
Subjects: Railroads -- Freight -- Rates -- United States; Railroads -- United States -- Freight
Notes: Bibliography: p. 316.
At head of title: United States Tariff Commission.  Washington.