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Harbor Island National Wildlife Refuge is located just off the northwest shore of Drummond Island, in Potagannissing Bay, on Lake Huron. The horseshoe-shaped island contains a variety of habitats that include a marsh-lined harbor in the center, sandy beaches, and mature stands of balsam fir, white cedar, paper birch, sugar maple, and red oak. The undeveloped habitats of the island support a diverse population of wildlife. The island is open for public use with fishing and hunting the primary uses. The refuge is managed by staff at Seney National Wildlife Refuge, in Seney, Michigan.
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