Prepared for the sixth annual report of E[.]T. Cox, State Geologist, 1874. Relief shown by hachures. Shows cities and towns, railroads, geology of the region, and saw and flour mills. Detached from: Sixth annual report of the Geological Survey of Indiana, made in the year 1874. Indianapolis : Sentinel Company, 1875.
Imprint: [Indianapolis] : [Geological Survey of Indiana], [1875]; Imprint: [Indianapolis] : [Sentinel Co., printers], [1875]
Dimensions: on sheet 40 x 47 cm