Title: Piggyback transportation. Hearing, Eighty-seventh Congress, first session, on trailer on flatcar service, known popularly as TOFC or piggyback service, and its effects on the transportation pattern of Wyoming and contiguous areas. Cheyenne, Wyoming. April 10, 1961.
Authors: United States.
Publisher: U. S. Govt. Print. Off.,
Year: 1962
Subjects: Piggyback trailers.