Geological map of the whetstone and sandstone area of western Indiana (Paoli sheet) : to accompany the 20th annual report of the Department of Geology and Natural Resources of Indiana, 1895
Shows the locations of coal, sandstone, and limestone areas as well as the locations of quarries, coal mines, and churches. Detached from: The carboniferous sandstones of western Indiana / T.C. Hopkins. In Indiana Dept. of Geology and Natural Resources twentieth annual report. Indianapolis: Wm. B. Burford, 1896. Page 328. Imprint: Indianapolis, Ind. : Wm. B. Burford, Lith., 1896 Dimensions: 33 x 27 cm