Construction and operation of pipe line and navigable barge channel across Florida. Hearings before a subcommittee of the Committee on Commerce, United States Senate, Seventy-seventh Congress, second session, on S. 2426, a bill to promote the national defense and to promptly facilitate and protect the transport of materials needful to the military establishemnt by authorizing the construction and operation of pipe-line and waterway facilities across northern Florida between the intracoastal waterways along the Gulf of Mexico and the Atlantic seaboard, and H.R. 6999 ... June 29, 30, July 1 and 2, 1942.