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1. Bedrock Geology: Indiana

2010. Indiana Geological Survey. BEDROCK_GEOL_MM48_IN is a polygon shapefile that shows bedrock geology of the state of Indiana at a scale of 1:500,000. The mapped stratigraphic un...

2. Extent of Wisconsin glaciation: Indiana

2010. Indiana Geological Survey. WISCONSIN_GLACIAL_LIMIT_IN.shp is a line shapefile that shows the Wisconsin glacial limit in Indiana as delineated by mapped glacial deposits at a ...

3. Southern extent of glaciation: Indiana

2010. Indiana Geological Survey. PRE-WISCONSIN_GLACIAL_LIMIT_IN.shp is a line shapefile that shows the extent of glaciation in Indiana as delineated by mapped glacial deposits of v...