1965 : The Petoskey Stone Becomes Michigan’s Official State Stone

June 28, 2018 all-day

On June 28, 1965, Governor George Romney signed a bill that made the Petoskey Stone Michigan’s official State Stone. It was fitting that Miss Ella Jane Petoskey, the only living grand-child of Chief Petosegay, was present at the formal signing. The bill simply states that the Petoskey Stone is the State Stone.

Source : The Petoskey Stone : Some history, lore and facts about the “Petoskey Stone”, Michigan Department of Environmental Quality, Geological Survey Division.

Brandon Howell, “President Obama keeps Petoskey stone, official state rock of Michigan, on Oval Office desk”, MLive, January 21, 2013.

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