Economics of transportation
Locklin, D. Philip 1897-
Economics of transportation [by] D. Philip Locklin. - 6th ed. - Homewood, Ill., R. D. Irwin, 1966. - xi, 913 p. illus. 24 cm. - The Irwin series in economics .
Includes bibliographies.
76187057
Transportation--United States.
Railroads--United States.
HE206 / .L6 1972
380.59 / LOE 1966
Economics of transportation [by] D. Philip Locklin. - 6th ed. - Homewood, Ill., R. D. Irwin, 1966. - xi, 913 p. illus. 24 cm. - The Irwin series in economics .
Includes bibliographies.
76187057
Transportation--United States.
Railroads--United States.
HE206 / .L6 1972
380.59 / LOE 1966