Public aids to transportation...
Public aids to transportation... Published after expiriation of Emergency railroad transportation act, 1933. Section of research, Federal coordinator of transportation.
- Washington, U.S. Govt. print. off., 1938-40.
- 4 v. illus. 29 cm.
Transportation--United States.
Aeronautics, Commercial--United States.
Railroads--United States.
Inland navigation--United States.
Transportation, Automotive--United States.
MCE
385 / PUB
Transportation--United States.
Aeronautics, Commercial--United States.
Railroads--United States.
Inland navigation--United States.
Transportation, Automotive--United States.
MCE
385 / PUB