Slate Mills, OhioSlate Mills is an unincorporated community in Ross County, in the U.S. state of Ohio.[1] HistoryThe namesake Slate Mills was a mill built at the site in 1827.[2] A post office called Slate Mills was established in 1860, and remained in operation until 1906.[3] References
39°21′02″N 83°03′26″W / 39.35056°N 83.05722°W
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