1. Quaternary Geologic Map : Indiana
2002. Indiana Geological Survey. SURFICIAL_GEOL_MM49_IN is a polygon shapefile that shows surficial geology in Indiana at a scale of 1:500,000. The mapped units include textural as...
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2. Soil Associations: Indiana
2002. United States Department of Agriculture. Natural Resources Conservation Service, STATSGO metadata reports- "This data set is a digital general soil association map developed by the Nation...
3. Percentage of Prime Farmland and Percentage of Hydric Soil in Soil Associations: Indiana
2002. United States Department of Agriculture. Prime farmland and Hydric soil percentages were calculated by summarizing the component table associated with each soil map unit featured. Shapefi...
4. Sand and Gravel Resource Potential in Mapped Surficial Material: Indiana
2003. Indiana Geological Survey. SAND_GRAVEL_RESOURCES_IN is a polygon shapefile that identifies sand and gravel permissive tracts in the surficial unconsolidated deposits of India...