 Across the Ohio River are Letart and Lebanon Townships, in Meigs County, Ohio.The principal streams in the Western District are Mill Creek, which with its numerous tributaries drains the central and southern portions of the county, and Sandy Creek, the lower course of which runs along the boundary between the Western and Northern Districts.The upper waters of Mill Creek arise in western Roane County, and the main course of the creek is formed in the Eastern District, several miles above Ripley.