Barnesville is an unincorporated community in Macon County, in the U.S. state of Missouri.[1]
A post office called Barnesville was established in 1878, and remained in operation until 1904.[2][3]
39°53′58″N 92°35′24″W / 39.89944°N 92.59000°W / 39.89944; -92.59000