Bedrock Topography of the Teays Valley, Central Part, North-Central Indiana (1985)
Technical map (scale = 1:100,000) showing the topography of the bedrock surface in and near the Teays Valley by Thomas M. Bruns, S. Michael Logan, and William J. Steen. Map shows location and type of data points, e.g., water well, oil/gas well, or seismic shot. Includes major highways, streams, cities, county lines, section lines, latitude-longitude ticks, and index of 7.5 minute topographic maps. 1 page (31 by 32 inches) folded. Click here to view map (3.3mb pdf file is 50% of original map size)
