Sima Humboldt

Humboldt is an unincorporated community in Ross County, in the U.S. state of Ohio. Humboldt had its start in 1878 when the railroad was extended to that point. A post office called Humboldt was established in 1880, and remained in operation until 1935. Humboldt was a whistle stop on the Ohio Southern Railroad.
Data from: en.wikipedia.org