"Compilation complete to July 1, 1972." "Base by U.S. Geological Survey, 1950." "Miscellaneous map no. 18."
Imprint: [Bloomington, IN]: Indiana Geological Survey, 1973
Dimensions: 91 x 59 cm and 89 x 41 cm, on sheet 101 x 76 cm; Scale: 1:500,000
Coordinates: W0880700 W0844700 N0414500 N0374600