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A rare historic photo captures the drying yard of Grindstone City, Michigan, where freshly cut Berea sandstone grindstones awaited shipment to markets around the world.

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Michael Hardy

Michael is the owner of Thumbwind Publications LLC. It started in 2009 as a fun-loving site covering Michigan's Upper Thumb. Since then, he has expanded sites and range of content and established a loyal base of 60,000 visitors per month.

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