Urban mass transportation : Hearings before the Subcommittee on Housing of the Committee on Banking and Currency, House of Representatives, Ninety-first Congress, second session on H.R. 6663 a bill to amend the Urban Mass Transportation Act of 1964, and for other purposes; S. 3154 an act to provide long-term financing for expanded urban mass transportation programs, and for other purposes; H.R. 7006 a bill to establish an urban mass transportation trust fund, and for other mpurposes; H.R. 13463 a bill to provide long-term financing for expanded urban public transportation programs, and for other purposes; H.R. 16261 a bill to provide long-term financing for expanded urban mass transportation programs, and for other purposes. March 3, 4, 5, 10, 11, and 12, 1970.