Shows natural and man-made gas and petroleum features as well as county seats, townships, towns, post offices, railroads, and creeks. Detached from: Natural gas : report of state supervisor / [E. T. J. Jordan]. In Indiana Department of Geology and Natural History eighteenth annual report ... 1893. Indianapolis : Wm. B. Burford, contractor for state printing and binding, 1984. b[Indiana. Department of Geology and Natural Resources], [1894]; Imprint: Indianapolis, Ind. : Wm. B. Burford, Lith., [1894]; Imprint: [Indianapolis] : Dimensions: 89 x 62 cm; Scale: Approximately 1:570,240. 9 miles to the inch