Shows dirt roads and improved public roads, railroads, schools, cemeteries, churches, and coal mines. Detached from: Soil survey of Clay, Knox, Sullivan, and Vigo counties, Indiana / Chas. W. Shannon. In Thirty-sixth annual report of Department of Geology and Natural Resources, Indiana, 1911. Indianapolis: Wm. B. Burford, 1912. Page 246. Imprint: [Indianapolis] : [Department of Geology and Natural Resources, Indiana], [1912] [Indianapolis] : [Wm. B. Burford], [1912] Scale: Approximately 1:63,360; Dimensions: 64 x 59 cm Coordinates: W0873933 W0871425 N0391534 N0385405