Water carrier bulk commodity exemption ; To repeal Inland Waterways Corporation Act : hearings before a subcommittee of the Committee on Interstate and Foreign Commerce, House of Representatives, Eighty-seventh Congress, second session on H.R. 5595, to repeal section 303(b) of the Interstate Commerce Act, as amended, relating to the water carrier bulk commodity exemption, and for other purposes : H.R. 9046, to permit the application of the bulk commodity exemption when other commodities are concurrently transported in the same vessel : H.R. 10542, to repeal the Inland Waterways Corporation Act, March 27, 28, 30; April 10, 11, 1962