Shannon, C. W. (Charles William),1879-1934Shannon, M. E.Detached from: Soil survey of Clay, Knox, Sullivan and Vigo counties / by Charles W. Shannon. In Thirty-sixth annual report of Department of Geology and Natural Resources, Indiana, 1911. Indianapolis: Wm. B. Burford, 1912. Page 170.Imprint: [Indianapolis] : [Department of Geology and Natural Resources, Indiana], [1912] [Indianapolis] : [Wm. B. Burford], [1912]Scale: Approximately 1:63,360; Dimensions: 80 x 45 cmJPEGVAC3073-M-01093QE109 .A2 1911 map p170engIndiana. Department of Geology and Natural ResourcesPublicSoilsClay County soil mapMapsIndiana--Clay CountyIndiana1911Indiana University