Big Ten Academic Alliance Geospatial Discovery Portal

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1. Bedrock Geology: Indiana, 2010

2010. Denver Harper (GIS compiler), Curt Ault (Data compiler), Stan Keller (Data compiler), Indiana Geological Survey, and H. H. Gray (Data compiler). 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. Bedrock geology of Indiana, from the Regional Geologic Map Series of the Indiana Geological Survey: Indiana, 2013

2013. N.K. Bleuer (compiler), W.J. Wayne (compiler), R.S. Nicoll (compiler), A.M. Burger (compiler), A.M. Gooding (compiler), J.L. Forsyth (compiler), H.H. Gray (compiler), G.H. Johnson (compiler), A.F. Schneider (compiler), Indiana Geological Survey, J.A. Lineback (compiler), S.J. Keller (compiler), C.E. Wier (compiler), J.R. Hill (compiler), and A.R. Gustin (digital compiler). BEDROCK_GEOL_RGM_IN is a polygon shapefile that shows the bedrock geology of the state of Indiana, produced from the Indiana Geological Survey Regi...

3. Depth to the Danville Coal Member (Dugger Formation, Pennsylvanian System), Derived from Coal Availability Investigations: Indiana, 2002

2002. Indiana Geological Survey and Carol L. Conolly. COAL_AVAILABILITY_DANVILLE_IN_DEPTH is a polygon shapefile giving depth (in feet) to the top of the Danville Coal Member in Indiana. COAL_AVAILABIL...

4. Thickness of the Danville Coal Member (Dugger Formation, Pennsylvanian System), Derived from Coal Availability Investigations: Indiana, 2002

2002. Indiana Geological Survey and Carol L. Conolly. COAL_AVAILABILITY_DANVILLE_IN_THICKNESS is a polygon shapefile giving thickness (in feet) of the Danville Coal Member in Indiana. COAL_AVAILABILITY...

5. Thickness of the Springfield Coal Member (Carbondale Formation, Pennsylvanian System), Derived from Coal Availability Investigations: Indiana, 2002

2002. Indiana Geological Survey and Carol L. Conolly. COAL_AVAILABILITY_SPRINGFIELD_IN_THICKNESS is a polygon shapefile giving thickness (in feet) of the Springfield Coal Member in Indiana. COAL_AVAILA...

6. Sand and Gravel Resource Potential in Mapped Surficial Material: Indiana, 2003

2003. Indiana Geological Survey and Christina James (digital compiler). SAND_GRAVEL_RESOURCES_IN is a polygon shapefile that identifies sand and gravel permissive tracts in the surficial unconsolidated deposits of India...

7. Bedrock Topography Contours: Indiana, 2003

2003. David A. Held (digital compiler), Indiana Geological Survey, Henry H. Gray (author, compiler), Chris Dintaman (digital compiler), and Kimberly H. Sowder (digital compiler). Bedrock topography was converted from the original published map, Indiana Geological Survey Miscellaneous Map 36. The contours define the elevation...

8. Depth to the Springfield Coal Member (Carbondale Formation, Pennsylvanian System), Derived from Coal Availability Investigations: Indiana, 2002

2002. Indiana Geological Survey and Carol L. Conolly. COAL_AVAILABILITY_SPRINGFIELD_IN_DEPTH is a polygon shapefile giving depth (in feet) to the top of the Springfield Coal Member in Indiana. COAL_AVA...

9. Driftless Areas: Illinois, 2004

1994. Illinois State Geological Survey. This is a polygon feature class containing driftless areas in Illinois. These areas are analogous to areas of the state where the bedrock surface i...

10. Elevation Ranges of the Colchester Coal Member (Linton Formation, Pennsylvanian) in West-Central Indiana: Indiana, 2000

2000. Denver Harper (Data and GIS compiler) and Indiana Geological Survey. From 1985 to 1994, a series of reports on coal resources of selected counties in Indiana was published as part of the Special Report series of the ...

11. Elevation Ranges of the Danville Coal Member (Dugger Formation, Pennsylvanian) in West-Central Indiana: Indiana, 2002

2002. Indiana Geological Survey and Denver Harper. From 1985 to 1994, a series of reports on coal resources of selected counties in Indiana was published as part of the Special Report series of the ...

12. Elevation Ranges of the Hymera Coal Member (Dugger Formation, Pennsylvanian) in West-Central Indiana: Indiana, 2002

2002. Indiana Geological Survey and Denver Harper. From 1985 to 1994, a series of reports on coal resources of selected counties in Indiana was published as part of the Special Report series of the ...

13. Elevation Ranges of the Springfield Coal Member (Petersburg Formation, Pennsylvanian) in West-Central Indiana: Indiana, 2002

2002. Indiana Geological Survey and Denver Harper. A series of reports on coal resources of selected counties in Indiana were published as part of the Special Report series of the Indiana Geological...

14. GeoMorph: Becker County, Minnesota, 2013

2013. Becker County, Minnesota. Shapefile of GeoMorph (geometric morphometric) in Becker County, Minnesota.

15. Liquefaction Potential of Materials: Indiana, 2011

2011. Denver Harper (GIS compiler, Mary Parke (Data compiler), John Steinmetz (Data compiler), Walter E. Gray (Data compiler), Indiana Geological Survey, Kim Sowder (GIS compiler), and Chris Dintaman (GIS compiler). EARTHQUAKE_LIQUEFACTION_POTENTIAL_MM81_IN is a polygon shapefile that shows highly generalized categories (low, moderate, and high) of liquefaction...

16. Number of Mapped Cave Entrances per Square Kilometer in Southern Indiana: Indiana, 2002

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...

17. Physiographic Regions: Indiana, 2002

2002. Kim Sowder (GIS compiler), Indiana Geological Survey, and H. H. Gray (Data compiler). PHYSIOGRAPHY_SR61_IN is a polygon shapefile that shows the physiographic regions of Indiana. Detailed descriptions of these regions can be obtained...

18. Predicted Responses of Geologic Materials to Seismically Induced Ground Shaking: Indiana, 2011

2011. Denver Harper (GIS compiler, John Hill (Data compiler), Indiana Geological Survey, Kim Sowder (GIS compiler), and Chris Dintaman (GIS compiler). SEISMIC_SHAKING_PREDICTED_RESPONSE_RP35_IN is a polygon shapefile that shows the distribution and classification of National Earthquake Hazards Red...

19. Shrink-Swell Characteristics, Derived from STATSGO: Indiana, 2002

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...

20. Silurian Reef Locations (Polygon): Indiana, 2003

2003. Indiana Geological Survey, John B. Droste (data compiler), Stanley J. Keller (data compiler), Curtis H. Ault (data compiler), Robert H. Shaver (data compiler), Leroy E. Becker (data compiler), and Chris Dintaman (digital compiler). SILURIAN_REEF_POLYGONS_MM54_IN is a polygon shapefile that shows the general locations of Silurian rock reef bank formations in Indiana. These data...

21. Stack-Unit Mapping of Geologic Materials to a Depth of 15 Meters: Illinois, 2004

1995. Illinois State Geological Survey. This is an SDE polygon feature class containing stack-unit map designations for Illinois. The primary source is ISGS Circular 542, Stack-unit Mappi...

22. Thickness Ranges of the Danville Coal Member (Dugger Formation, Pennsylvanian) in West-Central Indiana: Indiana, 2002

2002. Indiana Geological Survey and Denver Harper. From 1985 to 1994, a series of reports on coal resources of selected counties in Indiana was published as part of the Special Report series of the ...

23. Thickness Ranges of the Hymera Coal Member (Dugger Formation, Pennsylvanian) in West-Central Indiana: Indiana, 2002

2002. Indiana Geological Survey and Denver Harper. From 1988 to 1994, a series of reports on coal resources of selected counties in Indiana was published as part of the Special Report series of the ...

24. Thickness Ranges of the Springfield Coal Member (Petersburg Formation, Pennsylvanian) in West-Central Indiana: Indiana, 2002

2002. Indiana Geological Survey and Denver Harper. From 1985 to 1994, a series of reports on coal resources of selected counties in Indiana was published as part of the Special Report series of the ...

25. Thickness Ranges of Unconsolidated Deposits: Indiana, 2002

2002. Indiana Geological Survey, H. H. Gray (Data compiler), and Chris Dintaman (GIS compiler). UNCONSOL_TH_MM37_IN is a polygon shapefile showing thickness ranges of unconsolidated deposits (everything above the bedrock) in Indiana. The thick...

26. Woodfordian Moraines of Illinois, 2004

1991. Illinois State Geological Survey. This is an SDE polygon feature class containing named Woodfordian moraines, or Wisconsinan end moraines, of Illinois. Scale is 1:500,000. The prima...

27. Bedrock Type, Wisconsin 2008

2008. Wisconsin Department of Natural Resources. This layer consists of a polygon coverage at 1:500,000 scale with information about bedrock type used in the GCSM. Bedrock is the consolidated mate...

28. Depth to Bedrock, Wisconsin 2008

2008. Wisconsin Department of Natural Resources. This layer consists of a 1:250,000-scale polygon coverage containing depth-to-bedrock estimates and related information used in preparing the GCSM ...

29. Surface Coal Mines: Indiana, 2010

2010. Becky Meyer (Data compiler), Licia Weber (Data compiler), Nathan Eaton (GIS compiler), Indiana Geological Survey, and Paul Irwin (GIS compiler). COAL_MINE_SURFACE_IN is a polygon-based ESRI ArcGIS shapefile that shows the location and extent of surface coal mines in the coal region of west-c...

30. Underground Coal Mines: Indiana, 2010

2010. Becky Meyer (Data compiler), Licia Weber (Data compiler), Nathan Eaton (GIS compiler), Indiana Geological Survey, and Paul Irwin (GIS compiler). COAL_UND, the predecessor of COAL_MINE_UNDERGROUND_IN, is a polygon-based ESRI ArcView shapefile that shows the location and extent of underground ...

31. Berea Sandstone Assessment Unit - National Assessment of Oil and Gas Project: Appalachian Basin Province, 2002

2002. United States Geological Survey (USGS). The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The A...

32. Berea Sandstone Quarter Mile Cells - National Assessment of Oil and Gas Project: Appalachian Basin, 2002

2002. United States Geological Survey (USGS). Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production,...

33. Catskill Sandstones Siltstones Assessment Unit - National Assessment of Oil and Gas Project: Appalachian Basin Province, 2002

2002. United States Geological Survey (USGS). The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The A...

34. Catskill Sandstones Siltstones Assessment Unit Quarter Mile Cells - National Assessment of Oil and Gas Project: Appalachian Basin, 2002

2002. United States Geological Survey (USGS). Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production,...

35. Devonian Siltstone Shale Assessment Unit - National Assessment of Oil and Gas Project: Appalachian Basin Province, 2002

2002. United States Geological Survey (USGS). The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The A...

36. Devonian Siltstone Shale Assessment Unit Quarter Mile Cells - National Assessment of Oil and Gas Project: Appalachian Basin, 2002

2001. United States Geological Survey (USGS). Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production,...

37. Greater Big Sandy Assessment Unit - National Assessment of Oil and Gas Project: Appalachian Basin, 2002

2002. United States Geological Survey (USGS). Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production,...

38. Greater Big Sandy Assessment Unit Quarter Mile Cells - National Assessment of Oil and Gas Project: Appalachian Basin Province, 2002

2002. United States Geological Survey (USGS). The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The A...

39. Greenbrier Limestone Assessment Unit - National Assessment of Oil and Gas Project: Appalachian Basin Province, 2002

2002. United States Geological Survey (USGS). The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The A...

40. Greenbrier Limestone Assessment Unit Quarter Mile Cells - National Assessment of Oil and Gas Project: Appalachian Basin, 2002

2002. United States Geological Survey (USGS). Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production,...

41. Marcellus Shale Assessment Unit - National Assessment of Oil and Gas Project: Appalachian Basin Province, 2002

2002. United States Geological Survey (USGS). The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The A...

42. Marcellus Shale Assessment Unit Quarter Mile Cells - National Assessment of Oil and Gas Project: Appalachian Basin, 2002

2002. United States Geological Survey (USGS). Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production,...

43. Mississippian Sandstones Assessment Unit - National Assessment of Oil and Gas Project: Appalachian Basin Province, 2002

2002. United States Geological Survey (USGS). The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The A...

44. Mississippian Sandstones Assessment Unit Quarter Mile Cells - National Assessment of Oil and Gas Project: Appalachian Basin, 2002

2002. United States Geological Survey (USGS). Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production,...

45. Northwestern Ohio Shale Assessment Unit - National Assessment of Oil and Gas Project: Appalachian Basin Province, 2002

2001. United States Geological Survey (USGS). The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The A...

46. Northwestern Ohio Shale Assessment Unit Quarter Mile Cells - National Assessment of Oil and Gas Project: Appalachian Basin, 2002

2002. United States Geological Survey (USGS). Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production,...

47. Oriskany Sandstone Stratigraphic Assessment Unit - National Assessment of Oil and Gas Project: Appalachian Basin Province, 2002

2002. United States Geological Survey (USGS). The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The A...

48. Oriskany Sandstone Stratigraphic Assessment Unit Quarter Mile Cells - National Assessment of Oil and Gas Project: Appalachian Basin, 2002

2002. United States Geological Survey (USGS). Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production,...

49. Oriskany Sandstone Structural Assessment Unit - National Assessment of Oil and Gas Project: Appalachian Basin Province, 2002

2002. United States Geological Survey (USGS). The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The A...

50. Oriskany Sandstone Structural Quarter Mile Cells - National Assessment of Oil and Gas Project: Appalachian Basin, 2002

2002. United States Geological Survey (USGS). Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production,...