Public aids to transportation...
Subtitle: Published after expiriation of Emergency railroad transportation act, 1933. Section of research, Federal coordinator of transportation.
Publisher: U.S. Govt. print. off.
Published: 1938
Place of publication: Washington
Language: eng
Subjects: Transportation -- United States.; Aeronautics, Commercial -- United States.; Railroads -- United States.; Inland navigation -- United States.; Transportation, Automotive -- United States.