Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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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. C-22 Geologic Atlas of Chisago County, Minnesota [Part A]

2010. Setterholm, Dale R. 6 pls. Scales 1:100,000 and 1:200,000. Pl. 1, data-base map; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4 Quaternary stratigraphy; pl. 5...

3. C-23 Geologic Atlas of Benton County, Minnesota [Part A]

2010. Setterholm, Dale R. 5 pls. Scales 1:100,000 and 1:200,000. Pl. 1, data-base map; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4 Quaternary stratigraphy; pl. 5...

4. 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 ...

5. Southern extent of glaciation: Indiana, 2010

2010. Henry H. Gray (Data compiler), Sally L. Letsinger (GIS compiler), Center for Geospatial Data Analysis (CGDA), and Indiana Geological Survey. PRE-WISCONSIN_GLACIAL_LIMIT_IN.shp is a line shapefile that shows the extent of glaciation in Indiana as delineated by mapped glacial deposits of v...

6. 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...

7. 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 ...

8. Coal Resource Data, Derived from the National Coal Resource Data System: Indiana, 2010

2010. Carol L. Conolly (Database Compiler), Agnieszka Drobniak (Database Compiler), Maria Mastalerz (Database Compiler), and Indiana Geological Survey. This ESRI ArcGIS (version 10.0) point shapefile is an index to the location of 13,722 public point-source coal resource data points in Indiana. Thi...

9. Glacial Deposits of Northwestern Pennsylvania: Pennsylvania, 2010

2010. Allegheny College. Digitized regional surficial geology map for northwestern Pennsylvania. The complete citation for the paper map is: Map of the Glacial Deposits of ...

10. Thickness of Glacial Deposits, Western Crawford County, Pennsylvania: Pennsylvania, 2010

2010. Allegheny College. Digitized sediment thickness map for western Crawford County, Pennsylvania. (The term western applies to all portions of the county west of 80 degr...