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  • President Lyndon B. Johnson signs the Clean Air Act, December 17, 1963

    President Lyndon B. Johnson signs the Clean Air Act, December 17, 1963

  • Muskie and Udall at Cadillac Mountain, 1962

    Muskie and Udall at Cadillac Mountain, 1962

  • Senator Muskie vs. Air and Water pollution, Political Cartoon

    Senator Muskie vs. Air and Water pollution, Political Cartoon

  • Air Pollution related Political Cartoon

    Air Pollution related Political Cartoon

  • Can Mr. Clean Fell the Dirty Giant?, Political cartoon

    Can Mr. Clean Fell the Dirty Giant?, Political cartoon

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