Relief shown by profile. Includes map showing locations of coal fields in Vigo County, Indiana, as well as 2 geological cross sections along the north and south forks of Otter Creek and 19 stratigraphic columns for various sites. Plate XXXVI. 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 704.Imprint: [Indianapolis] : [Indiana Department of Geology and Natural Resources], [1899]Dimensions: 23 x 27 cmJPEGG4093.V5H9 1898 .C63engIndiana. Department of Geology and Natural ResourcesPublicGeology, StratigraphicCoal reservesCoalfieldsCoal fields around Coal Bluff, Fontanet and Grant, Vigo CountyMapsIndiana--Vigo CountyIndiana1899Indiana University