Relief shown by profile. Geological cross section showing stratigraphy of mineral resources, including various limestone and shale layers. See "Map showing lines of geological sections and the relation of Trenton rock to sea level" for location of profile line. Detached from: Indiana's structural features as revealed by the drill / E. P. Cubberley. In Indiana Department of Geology and Natural Resources eighteenth annual report ... 1893. Indianapolis: Wm. B. Burford, 1894. Page 248.
Imprint: [Indianapolis] : [Indiana, Dept. of Geology and Natural Resources], [1894]; Imprint: Indpls : lithographed by William B. Burford, [1894]
Dimensions: 15 x 23 cm