Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1. Number of Mapped Cave Entrances per Square Kilometer in Southern Indiana: Indiana

2002. Indiana Geological Survey. KARST_CAVE_DENSITY_IN is a polygon shapefile that shows the density (i.e., number per square kilometer) of mapped cave entrances in Silurian, Devon...

2. Physiographic Regions: Indiana

2002. Indiana Geological Survey. PHYSIOGRAPHY_SR61_IN is a polygon shapefile that shows the physiographic regions of Indiana. Detailed descriptions of these regions can be obtained...

3. Shrink-Swell Characteristics, Derived from STATSGO: Indiana

2002. Indiana Geological Survey. The 1994 State Soil Geographic (STATSGO) database for Indiana, obtained from the U.S. Department of Agriculture (USDA), Natural Resources Conservat...

4. Thickness Ranges of Unconsolidated Deposits: Indiana

2002. Indiana Geological Survey. UNCONSOL_TH_MM37_IN is a polygon shapefile showing thickness ranges of unconsolidated deposits (everything above the bedrock) in Indiana. The thick...

5. 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...

6. 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...

7. 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...