Intracoastal Waterway. Enlargement and extension of Gulf Intracoastal Waterway, including construction of barge channel and pipe line across northern Florida, hearings, 77th Congress, 2d session, on H. R. 6999, to promote national defense and to promptly facilitate and protect transport of materials and supplies needful to military establishment by authorizing construction and operation of pipe line and navigable barge channel across Florida, construction of inland route from western terminus of this channel to present eastern terminus of Intracoastal Waterway, and by deepening and enlarging Intracoastal Waterway from its present eastern terminus to vicinity of Mexican border, May 18-22, 1942.