Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
Bedrock Geology: Indiana

Bedrock Geology: Indiana

2010. Indiana Geological Survey. 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...

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Michigan Bedrock Geology: Michigan

2015. Michigan Department of Natural Resources. Bedrock geology polygons as digitized from the'1987 Michigan Bedrock Geology map.

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Bedrock Geology: Michigan

2015. Michigan bedrock geology.

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Quaternary Geology: Michigan

2015. Michigan Quaternary Geology.

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Geology: Centre County, Pennsylvania

Geology layer showing the short and long names of the geologic formation.

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Quaternary Geology Map: Michigan

2017. Digital version of Quaternary Geology maps of northern and southern Michigan.

7.
Statemap Surficial Geologys: Iowa

Statemap Surficial Geologys: Iowa

2018. Iowa Geological Survey. Surficial Geology of Iowa Each zip file contains a shapefile of the area specified.

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Mixed

Bedrock Geology: Illinois, 2005

2005. Illinois State Geological Survey. This feature dataset shows the distribution and extent of the bedrock geologic units within the State of Illinois, as depicted on the map Bedrock G...

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Polygon

Bedrock Geology: Dublin, Ohio

2015. Environmental data around the City of Dublin, OH, USA.

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Vector Created with Sketch.

Geology - Geologic Formations: Maryland

2016. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This file of geologic unit polygons is for educational u...

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Vector Created with Sketch.

Geology - Hydric Soils: Maryland

2016. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data layer is a compilation of the MUPOLYGON featur...

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Geology - Physiographic Provinces: Maryland

2016. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data layer contains the Province-level physiographi...

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Vector Created with Sketch.

Statemap Bedrock Geologys: Iowa

2018. Each zip file contains a shapefile of the specified area.

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Vector Created with Sketch.

Bedrock Geology 500K - Contacts: Ohio

Ohio Geographically Referenced Information Program. This dataset contains the 1:500,000-scale bedrock geology of Ohio. The bedrock geology dataset was originally derived from the 1:24,000-scale bedro...

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Bedrock Geology 500K - Faults: Ohio

Ohio Geographically Referenced Information Program. This dataset contains the 1:500,000-scale bedrock geology of Ohio. The bedrock geology dataset was originally derived from the 1:24,000-scale bedro...

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Vector Created with Sketch.

Bedrock Geology 24K - Facies: Ohio

Ohio Geographically Referenced Information Program. This dataset contains the 1:24,000-scale bedrock geology map data for Ohio. The map data were originally derived from the 1:24,000-scale bedrock-ge...

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Vector Created with Sketch.

Quaternary Geology 500K - Lines: Ohio

Ohio Geographically Referenced Information Program. Since the publication of the Glacial map of Ohio (Goldthwait, White, and Forsyth, 1961, U.S. Geological Survey Miscellaneous Geologic Investigation...

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Karst - Karst geology of Ohio: Ohio

Ohio Geographically Referenced Information Program. This data is to be used to locate known and indicated karst features, and to define the probable karst terranes.

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Bedrock geology of Indiana, from the Regional Geologic Map Series of the Indiana Geological Survey: Indiana

Bedrock geology of Indiana, from the Regional Geologic Map Series of the Indiana Geological Survey: Indiana

2013. Indiana Geological Survey. 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...

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Polygon

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...