IndianaMap Update – October 2016

igsReported By:  Chris Dintaman
GIS Specialist
Indiana University | 611 N. Walnut Grove Avenue | Bloomington, IN 47405-2208

Layer Updates

We have just updated four layers showing information about the Seelyville Coal Member in the Geology folder of the map. If you are a frequent user of these data, please use the links below to access the Layer Gallery to download data and metadata for each of the layers.

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  • Depth to the Seelyvile Coal, 2011 – Shows depth (in feet) to the top of the Seelyville Coal Member in Indiana. It was compiled based on data from the National Coal Resource Data System Database (NCRDS_Indiana2011.mdb) (Indiana Geological Survey, Access Database). Mastalerz, M., and Drobniak, A., 2011, The Indiana Geological Survey Coal Stratigraphic Database: Indiana Geological Survey Report of Progress 39. In the past a series of reports on coal resources of selected counties in Indiana was published as part of the Special Report series of the Indiana Geological Survey (IGS). These reports included maps showing depth of the Seelyville Coal Member (Linton Formation, Pennsylvanian). The depth maps were based on coal-test records, mine-map notations, and interpretations of geophysical logs that are included in the files of the Indiana Geological Survey. Different depth ranges were used in the various counties and for different purposes. Since 1980, staff members of the Indiana Geological Survey have also collected and entered coal resource information into the NCRDS database as a cooperative project with the U.S. Geological Survey (USGS). The purpose of the NCRDS Database is to provide a means of rapid retrieval of point-source coal resource information, including coal location, thickness, depth, and other parameters. Based on all available data as of October 2010, a new map of Seelyville Coal Member depth was created. It is the most current depth map of the Seelyville Coal Member. Because additional data on coal depth are obtained by the Indiana Geological Survey on an annual basis, interested users may wish to contact the IGS for information on these more up-to-date sources.
  • Elevation of the Seelyville Coal, 2012 (1:125,000) – Shows contours that define elevation ranges (feet above sea level) of the Seelyville Coal Member. It was compiled based on data from the National Coal Resource Data System Database (NCRDS_Indiana2011.mdb) (Indiana Geological Survey, Access Database). Mastalerz, M., and Drobniak, A., 2011, The Indiana Geological Survey Coal Stratigraphic Database: Indiana Geological Survey Report of Progress 39. In the past a series of reports on coal resources of selected counties in Indiana was published as part of the Special Report series of the Indiana Geological Survey (IGS). These reports included maps showing elevation of the Seelyville Coal Member (Linton Formation, Pennsylvanian). The elevation maps were based on coal-test records, mine-map notations, and interpretations of geophysical logs that are included in the files of the Indiana Geological Survey. Different elevation ranges were utilized in the various counties and for different purposes. Since 1980, staff members of the Indiana Geological Survey have also collected and entered coal resource information into the NCRDS Database as a cooperative project with the U.S. Geological Survey (USGS). The purpose of NCRDS Database is to provide a means of rapid retrieval of point-source coal resource information, including coal location, elevation, depth, and other parameters. Based on all available data as of October 2010, a new map of Seelyville Coal Member elevation was created. It is the most current elevation map of the Seelyville Coal Member. Because additional data on coal elevations are obtained by the Indiana Geological Survey on an annual basis, interested users may wish to contact the IGS for information on these more up-to-date sources.
  • Thickness of the Seelyville Coal, 2011 (1:125,000) – Shows contours that define ranges of thicknesses (in feet) of the Seelyville Coal Member. It was compiled based on data from the National Coal Resource Data System Database (NCRDS_Indiana2011.mdb) (Indiana Geological Survey, Access Database). Mastalerz, M., and Drobniak, A., 2011, The Indiana Geological Survey Coal Stratigraphic Database: Indiana Geological Survey Report of Progress 39. In the past a series of reports on coal resources of selected counties in Indiana was published as part of the Special Report series of the Indiana Geological Survey. These reports included maps showing thickness of the Seelyville Coal Member (Linton Formation, Pennsylvanian). The thickness maps were based on coal-test records, mine-map notations, and interpretations of geophysical logs that are included in the files of the Indiana Geological Survey. Different thickness ranges were used in the various counties and for different purposes. Since 1980, staff members of the Indiana Geological Survey (IGS) have also collected and entered coal resource information into the NCRDS database as a cooperative project with the U.S. Geological Survey (USGS). The purpose of NCRDS database is to provide a means of rapid retrieval of point-source coal resource information, including coal location, thickness, depth, and other parameters. Based on all available data as of October 2010, a new map of Seelyville Coal Member thickness was created. It is the most current thickness map of the Seelyville Coal Member. Because additional data on coal thicknesses are obtained by the Indiana Geological Survey on an annual basis, interested users may wish to contact the Indiana Geological Survey for information on these more up-to-date sources.
  • Mined-Out Areas of the Seelyville Coal, 2012 (1:24,000) – Shows the location and extent of the mined-out areas in the Seelyville Coal Member in the coal region of west-central and southwestern Indiana. It includes mine locations from documented surface and underground mines that operated in Indiana since the late 1800s. It contains attributes for each mine location, to be differentiated based on mine number, county name, and mine type (surface or underground). This shapefile contains information that is related to two additional GIS data sets produced by the Indiana Geological Survey: 1) COAL_MINE_UNDERGROUND_IN: Underground Coal Mines in Indiana (Indiana Geological Survey, 1:24,000, Polygon Shapefile), 2) COAL_MINE_SURFACE_IN: Surface Coal Mines in Indiana (Indiana Geological Survey, 1:24,000, Polygon Shapefile).

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