Lighthouses of Michigan’s Upper Thumb


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Port Austin Reef Lighthouse

The light was first lit in 1878, and its pier was modified in 1899. It is still operational and is automated. The foundation materials are a pier, and the tower is constructed of yellow brick, with buff markings. It is an octagonal, 60-foot tall tower, with an attached keeper house. However, the focal plain is 76 feet (23 m). It originally had a fourth-order Fresnel lens  by Henry Lepaute of Paris and installed in 1899. In 1985 the lens was replaced by a 12-volt solar-powered Tideland Signal 300 mm acrylic optic,which eliminated the need to maintain the submarine cable.

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Photo by Douglas Glancy via Flickr

Charity Island Light

The octagonal cast iron lantern displayed a fixed white Fourth Order Fresnel lens light which was constructed in 1857 with a 39-foot tower which provided a 13-nautical-mile range of visibility. The Charity Island Preservation Committee of the Arenac County Historical Society is…

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