Economics of transportation. /

Locklin, David Philip, 1897-

Economics of transportation. / David Philip Locklin. - 6th ed. - Homewood, Ill. : R. D. Irwin, 1969. - 882 p. 25 cm. - The Irwin series in economics .


Transportation--United States.
Railroads--United States.

380.5 / LOE 1969

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