Coast Guard miscellaneous. Part 2 : hearings before the Subcommittee on Subcommittee on Coast Guard and Navigation of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-second Congress, second session on port and waterways safety--part 2, H.R. 8140 as passed the Senate, June 12 and 13, 1972 : oil pollution convention, H.R. 15627, August 3, 1972 : Coast Guard oversight, October 17, 1972