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Mill Rock, Ohio facts for kids

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Mill Rock is an unincorporated community in Columbiana County, in the U.S. state of Ohio.


A stone watermill was built at the site of Mill Rock in 1808. A post office called Mill Rock was established in 1876, the name was changed to Millrock in 1895, and the post office closed in 1904.

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Mill Rock, Ohio Facts for Kids. Kiddle Encyclopedia.