Walnut, OhioWalnut is an unincorporated community in Pickaway County, in the U.S. state of Ohio.[1] HistoryThe first store at Walnut opened in 1834.[2] A post office called Walnut was established in 1890, and remained in operation until 1902.[3] References
39°42′34″N 82°51′07″W / 39.70944°N 82.85194°W
|