Arched Rock
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Arched rock is a natural limestone arch formed during the Nipissing post-glacial period, a period of high Lake Huron levels following the end of the Wisconsin glaciation. Arch Rock stands on the Lake Huron shoreline 146 feet above the water.
Galleries
Natural ArchesSource
Winchell, Alexander Sketches of Creation (New York, NY: Harper & Brothers, 1870)
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