Areas of sinkholes and sinking-stream basins with locations of cave openings and springs in Central Southern Indiana
Info Circle Solid
Powell, Richard L., cartographer.
This map data was compiled in 1997 from information available at the time, but was unpublished until 2002; the map does not reflect any changes in data since 1997.; Includes location map and text. Scale 1:250,000.
Indiana Geological Survey
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