Includes approximately 100 stratigraphic columns and correlation lines. Detached from: The coal deposits of Indiana : a supplemental report to the one issued in 1898 / George H. Ashley. In Indiana Department of Geology and Natural Resources thirty-third annual report, 1908. Indianapolis : Wm. B. Burford, 1909. Page 54.
Imprint: [Indianapolis] : [Indiana Department of Geology and Natural Resources], [1909]
Dimensions: 40 x 75 cm