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21. 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...

22. 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...

23. 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...

24. 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...

25. Late Wisconsinan Glacial Border 1:100,000

1995. Pennsylvania Bureau of Topographic and Geologic Survey, Dept. of Conservation and Natural Resources. Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map at 1:100,000 sc...

26. Late Wisconsinan Glacial Border 1:500,000

1995. Pennsylvania Bureau of Topographic and Geologic Survey, Dept. of Conservation and Natural Resources. Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map at 1:100,000 sc...

27. 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...

28. Abandoned Quarries: Indiana, 2003

2003. Indiana Geological Survey, Denver Harper (Data Processor), Curtis H. Ault (Data Compiler), Paul Irwin (Data Processor), and Walter Hasenmueller (Data Compiler). QUARRIES_ABANDONED_IN was derived from a comma-delimited text file named QUALOC.TXT contained on the following CD-ROM publication: Hasenmueller, W....

29. Abandoned Sand and Pits: Indiana, 2003

2003. Indiana Geological Survey, Paul Irwin (Digital compiler), Walter Hasenmueller (Compiler), Chris Dintaman (Digital compiler), and Denver Harper (Digital compiler). SAND_GRAVEL_PITS_ABANDONED_IN is a point shapefile that shows the locations of abandoned sand and gravel pits in Indiana. It is derived from an unp...

30. 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...

31. Buried Bedrock Surface: Illinois, 2004

1994. Herzog, B.L.. B.J. Stiff, C.A. Chenoweth, K.L. Warner, J.B. Sievering, C. Avery. The Buried Bedrock Surface of Illinois map represents the first revision of the bedrock topography map since the second edition was published by th...

32. 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...

33. 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...

34. 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 ...

35. 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 ...

36. 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 ...

37. 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...

38. Epicenters of Earthquakes with a Moment Magnitude Equal to or Greater Than 3.0: Indiana, 2014

2014. John Rupp (Data compiler), John Hill (Data compiler), John Steinmetz (Data compiler), Walter E. Gray (Data compiler), Nathan Eaton (GIS compiler), Indiana Geological Survey, and Matthew R. Johnson (GIS compiler). EARTHQUAKE_EPICENTERS_IN.SHP shows the locations of all known historical earthquakes in Indiana with a moment magnitude (Mw) greater than or equal ...

39. Extent of Wisconsin glaciation: Indiana, 2010

2010. Henry H. Gray (Data compiler), Sally L. Letsinger (GIS compiler), Center for Geospatial Data Analysis (CGDA), and 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 ...

40. Geologic map - Topographic Change in Philadelphia, During the Last Century

2000. United States Geological Survey. A scope of work was developed in response to a request by the U. S. Army Corps of Engineers, Philadelphia District. The request was to perform a to...