Compiled for the 7th annual report of E.T. Cox, State Geologist , geology by Prof. John Collett, 1875. Relief shown by hachures. Shows cities and towns, railroads, ancient earthworks, snake dens, springs, lime kilns, quarries, and coal shafts, bores, and outcrops. Detached from: Seventh annual report of the Geological Survey of Indiana, made in the year 1875. Indianapolis : Sentinel Company, 1876.
Imprint: [Indianapolis] : [Geological Survey of Indiana], [1876]; Imprint: [Indianapolis] : [Sentinel Company, printers], [1876]
Dimensions: on sheet 41 x 31 cm