jan 1, 1972 - The marine mammal protection act
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The Marine Mammal Protection Act of 1972, Amended 1994. The U.S. Marine Mammal Protection Act (MMPA) protects all marine mammals, including cetaceans (whales, dolphins, and porpoises), pinnipeds (seals and sea lions), sirenians (manatees and dugongs), sea otters, and polar bears within the waters of the United States.
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