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Harbor Island National Wildlife Refuge is in the Potagannissing Bay of Lake Huron, Michigan, just south of the Canadian border. The refuge’s biggest island, Harbor Island, has a large marsh-lined harbor popular with boaters. The islands have sandy beaches and mature stands of balsam fir, white...
The U.S. Fish and Wildlife Service manages an unparalleled network of public lands and waters called the National Wildlife Refuge System. With more than 570 refuges spanning the country, this system protects iconic species and provides some of the best wildlife viewing opportunities on Earth.