Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
Bedrock Geology of Iowa

Bedrock Geology of Iowa

2017. Iowa Geological Survey. Bedrock Geology of Iowa This zip file contains a file geodatabase with the following feature classes: Bedrock Faults Bedrock Geology Bedrock Topogr...

2.
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Quaternary Geology Map: Michigan

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

3.
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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...

4.
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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.

5.
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Quaternary Geology 500K - Geologic Units: 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...

6.
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Quaternary Geology 500K - Glacial Boundary of Ohio: 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...

7.
Surface Coal Mines: Indiana

Surface Coal Mines: Indiana

2017. Indiana Department of Natural Resources, Division of Reclamation and Indiana Geological Survey. COAL_MINE_SURFACE_DNR_IN.SHP provides the locations of all documented surface coal mines that have operated in the coal region of Indiana since the...

8.
Underground Coal Mines: Indiana, 2008

Underground Coal Mines: Indiana, 2008

2017. Indiana Department of Natural Resources, Division of Reclamation and Indiana Geological Survey. COAL_MINE_ENTRIES_DNR_IN.SHP contains the entrance locations of all documented underground coal mine entrances that have operated in the coal regio...

9.
Underground Coal Mines: Indiana, 2010

Underground Coal Mines: Indiana, 2010

2017. Indiana Department of Natural Resources, Division of Reclamation and Indiana Geological Survey. COAL_MINE_UNDERGROUND_DNR_IN.SHP provides the locations of all documented underground coal mines that have operated in the coal region of Indiana s...

10.
C-42 Geologic Atlas of Becker County, Minnesota

C-42 Geologic Atlas of Becker County, Minnesota

2017. Bauer, Emily J and Minnesota Geological Survey. Plate 1, Data Base, Plate 2, Bedrock Geology, Plate 3, Surficial Geology, Plate 4 Quaternary Stratigraphy, Plate 5 Supplemental Quaternary Stratigr...

11.
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Underground Sources of Drinking Water, Devonian Outcrop: Ohio

2017. Ohio Department of Natural Resources. The Ohio Department of Natural Resources, Division of Geological Survey, with partial funding from the USEPA through the Ohio EPA, has mapped the l...

12.
Polygon

Underground Sources of Drinking Water, Devonian Outcrop: Ohio

2017. Ohio Department of Natural Resources. The Ohio Department of Natural Resources, Division of Geological Survey, with partial funding from the USEPA through the Ohio EPA, has mapped the l...

13.
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USDW - Boundaries: Ohio

Ohio Geographically Referenced Information Program. The Ohio Department of Natural Resources, Division of Geological Survey, with partial funding from the USEPA through the Ohio EPA, has mapped the l...