Sugar Loaf Rock

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Sugar Loaf is a 75-foot-high landlocked rock or stack in the interior of Mackinac Island in Lake Huron. Created by erosion during the period of postglacial Lake Algonquin, Sugar Loaf is the largest post-glacial erosion feature in the Straits of Mackinac.

Galleries

Geology, Michigan

Source

Winchell, Alexander Sketches of Creation (New York, NY: Harper & Brothers, 1870)

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