Relief shown by profile. Includes index map showing locations of coal fields in southern Martin County, 29 stratigraphic columns, correlation lines, and 4 geological cross sections along Wagner mill road, across Beach Creek, and on the Baltimore & Ohio Southwestern Railway. Plate XLVIII. 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 944.
Imprint: [Indianapolis] : [Indiana Department of Geology and Natural Resources], [1899]
Dimensions: 21 x 27 cm