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, springs, mills, quarries, limestone, sandstone, 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 Co., printers], [1876]
Dimensions: on sheet 40 x 45 cm