Gamble, W. H.(William H.), cartographer.Prime meridian: top of map is from Greenwich, bottom of map is from Washington. Hand painted.Imprint: Philadelphia : S. Augustus Mitchell, 1870.Dimensions: 30 x 36 cm; Scale: 1:1,800,000Coordinates: W0874100 W0802000 N0420000 N0375400JPEG60547a50-8811-408b-baa9-22bf8fcafa10G4080 1870 .G36engMitchell, S. Augustus (Samuel Augustus), 1792-1868PublicCounty map of Ohio and Indiana.MapsIndianaOhio--State of Ohio1870Indiana University