Includes stratigraphic columns, correlation lines, and depth measurements. Plate IX. Columnar sections included in this diagram are also shown accompanying a related map of each area, which were also printed within the 23rd Annual report. Detached from: The coal deposits of Indiana / George Hall Ashley. In Indiana Department of Geology and Natural Resources twenty-third annual report, 1898. Indianapolis : Wm. B. Burford, 1899. Page 96. Imprint: [Indianapolis] : [Indiana Department of Geology and Natural Resources], [1899] Dimensions: 27 x 23 cm; Scale: Scale not given.