"Compilation complete to December 1998." "Base map digitized from 1978 U.S. Geological Survey map of Indiana. Scale 1:500,000."
Imprint: Bloomington : Indiana Geological Survey, 1998.
Scale: 1:550,000; 1:1:275,000; Dimensions: 83 x 150 cm
W0880000 W0860000 N0395000 N0380000; Coordinates: W0880700 W0844500 N0414500 N0375200