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    • John Heinz National Wildlife Refuge

    • John Heinz National Wildlife Refuge
    • Videography;u.s. fish and wildlife service;Environmental Education;wildlife management;wildlife refuges;recreation;
    • Islands of the Marsh. The Refuge was established by Congress in 1972. When acquisition is complete, it will consist of 1,200 acres of varied habitat, including the largest freshwater tidal marsh in the state of Pennsylvania.

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