Unincorporated community in Ohio, U.S.
Mill Rock is an unincorporated community in Columbiana County, in the U.S. state of Ohio.[1]
History
A stone watermill was built at the site of Mill Rock in 1808.[2] 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.[3]
References
40°47′53″N 80°35′29″W / 40.79806°N 80.59139°W / 40.79806; -80.59139