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Marine protection, research, and sanctuaries act of 1972 hearing before the Subcommittee on Oceans and Atmosphere of the Committee on Commerce, United States Senate, Ninety-fourth Congress, first session ... May 20, 1975
- "Marine protection, research, and sanctuaries act of 1972 hearing before the Subcommittee on Oceans and Atmosphere of the Committee on Commerce, United States Senate, Ninety-fourth Congress, first session ... May 20, 1975"@en
- "Marine protection, research, and sanctuaries act of 1972 : hearing before the Subcommittee on Oceans and Atmosphere of the Committee on Commerce, United States Senate, Ninety-fourth Congress, first session ... May 20, 1975"@en