Ocean dumping of waste materials : hearings before the Subcommittee on Fisheries and Wildlife Conservation and the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-second Congress, first session ... April 5, 6, 7, 1971

"Ocean dumping of waste materials : hearings before the Subcommittee on Fisheries and Wildlife Conservation and the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-second Congress, first session ... April 5, 6, 7, 1971"@en
"Ocean dumping of waste materials hearings before the Subcommittee on Fisheries and Wildlife Conservation and the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-second Congress, first session ... April 5, 6, 7, 1971"@en
"Ocean dumping of waste materials Hearings before the Subcommittee on Fisheries and Wildlife Conservation and the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-second Congress, first session ... April 5, 6, 7, 1971"@en
"Ocean dumping of waste materials. Hearings before the Subcommittee on Fisheries and Wildlife Conservation and the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-second Congress, first session ... April 5, 6, 7, 1971"
"Ocean dumping of waste materials : hearings before the Subcommittee on Fisheries and Wildlife Conservation and the Subcommittee on Oceanography ... Ninety-second Congress, first session, April 5,6,7, 1971"@en