Relief shown by hachures.; Shows cities and towns, operating and proposed railroads, prairies, test bores, deposits of iron ore and mill stone grit, mills, quarries, working coal mines, coal seams, coal shafts, coal outcroppings, and "bounds of sub-carboniferous formation."; Shows principal natural features and includes descriptions of landscape features and land cover.; Also shows "Gen. Harrison's line of march to the battle of Tippecanoe, 1811."; Detached from: Geology of Warren County / By John Collett. In Fifth annual report of the Geological Survey of Indiana, made during the year 1873. Indianapolis: Sentinel Company, 1874.