1946. Geological Survey (U.S.).Surface Water Branch.Indiana District. Relief shown by contours and spot heights. Depths shown by contours.; Blue line.; Depth curves compiled form maps furnished by U.S. Army District-L... [State of Indiana, Dept. of Natural Resources, Division of Water?].
1959. Black line print.; Relief shown by contours.; Map adapted from a map furnished by the Indianapolis Water Company.; 1959. Scale approximately 1:13,000. The Division.