Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
Geology of Beacon Heights: Antarctica

Geology of Beacon Heights: Antarctica

Projection: Lambert Conformal Conic Projection: Standard Parallels -76°40' and -79°20'; Series: NZGS Miscellaneous Series.

2.
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Quaternary Geology Map: Michigan

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

3.
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Glacial Deposits of Northwestern Pennsylvania

2018. Allegheny College. Digitized regional surficial geology map for northwestern Pennsylvania. The complete citation for the paper map is: Map of the Glacial Deposits of ...

4.
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Statemap Bedrock Geologys: Iowa

Each zip file contains a shapefile of the specified area.

5.
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Statemap Surficial Geologys: Iowa

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

6.
Mixed

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...

7.
C-42 Geologic Atlas of Becker County, Minnesota

C-42 Geologic Atlas of Becker County, Minnesota

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

8.
Karst - Karst geology of Ohio: Ohio

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.

9.
Point image/svg+xml

Karst Feature Inventory Points: Minnesota

2018. University of Minnesota, Department of Geology and Geophysics; Minnesota Department of Natural Resources, Ecological and Water Resources Division. Southeastern Minnesota is part of the Upper Mississippi Valley Karst (Hedges and Alexander, 1985) that includes southwestern Wisconsin and northeas...

10.
Quaternary Geology 500K - Geologic Units: Ohio

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...

11.
Quaternary Geology 500K - Glacial Boundary of Ohio: Ohio

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...

12.
Quaternary Geology 500K - Lines: Ohio

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...

13.
Surface Coal Mines: Indiana

Surface Coal Mines: Indiana

2017. Indiana Department of Natural Resources, Division of Reclamation. 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...

14.
Underground Coal Mines: Indiana, 2008

Underground Coal Mines: Indiana, 2008

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

15.
Underground Coal Mines: Indiana, 2010

Underground Coal Mines: Indiana, 2010

2017. Indiana Department of Natural Resources, Division of Reclamation. 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...

16.
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...

17.
Polygon

Underground Sources of Drinking Water: 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...

18.
USDW - Boundaries: Ohio

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...

19.
Bedrock Geology 24K - Facies: Ohio

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...

20.
Bedrock Geology 24K - Mines Line: Ohio

Bedrock Geology 24K - Mines Line: 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...