Economics of transportation
Locklin, David Philip
Economics of transportation [by] D. Philip Locklin. - Chicago Business Publishing 1938. - 863 p. illus. - The Irwin series in economics .
Includes bibliographies.
91050884
Transportation--United States.
Railroads--United States.
HE206 / .L6 1972
380.5
Economics of transportation [by] D. Philip Locklin. - Chicago Business Publishing 1938. - 863 p. illus. - The Irwin series in economics .
Includes bibliographies.
91050884
Transportation--United States.
Railroads--United States.
HE206 / .L6 1972
380.5