Prepared for the sixth annual report of E.T. Cox, State Geologist , geology by John Collett, 1874. Relief shown by hachures. Shows cities and towns, railroads, iron ore, quarries, gold diggings, and fruit farms. Detached from: Sixth annual report of the Geological Survey of Indiana, made in the year 1874. Indianapolis : Sentinel Company, 1875., Imprint: [Indianapolis] : [Sentinel Company, printers], [1875]; Imprint: [Indianapolis] : [Geological Survey of Indiana], [1875], Dimensions: on sheet 39 x 35 cm
Collett, John, 1828-1899 (1875). Map of Brown County, Indiana. Indiana. Geological Survey. https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-01148 (map)