Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1. Quaternary Geology Map: Michigan

2020. State of Michigan. Digital version of Quaternary Geology maps of northern and southern Michigan.

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

2017. Bauer, Emily J, Chandler, V.W, Jirsa, Mark A, Marshall, Katherine J, Gowan, Angela S, Hamilton, Jacqueline D, and Radakovich, Amy L. Plate 1, Data Base, Plate 2, Bedrock Geology, Plate 3, Surficial Geology, Plate 4 Quaternary Stratigraphy, Plate 5 Supplemental Quaternary Stratigr...

3. Karst - Karst geology of: Ohio

2017. Ohio Department of Natural Resources (ODNR). This data is to be used to locate known and indicated karst features, and to define the probable karst terranes.

4. Karst Feature Inventory Points: Minnesota

2017. 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...

5. Michigan Geology Bedrock: Michigan

2017. Michigan Department of Natural Resources. Feature service of DNR managed minerals GIS data.

6. Quaternary Geology 500K - Geologic Units: Ohio

2017. Ohio Department of Natural Resources (ODNR). Since the publication of the Glacial map of Ohio (Goldthwait, White, and Forsyth, 1961, U.S. Geological Survey Miscellaneous Geologic Investigation...

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

2017. Ohio Department of Natural Resources (ODNR). Since the publication of the Glacial map of Ohio (Goldthwait, White, and Forsyth, 1961, U.S. Geological Survey Miscellaneous Geologic Investigation...

8. Quaternary Geology 500K - Lines: Ohio

2017. Ohio Department of Natural Resources (ODNR). Since the publication of the Glacial map of Ohio (Goldthwait, White, and Forsyth, 1961, U.S. Geological Survey Miscellaneous Geologic Investigation...

9. Springs in: Minnesota

2017. University of Minnesota, Department of Geology and Geophysics; Minnesota Department of Natural Resources (DNR), Ecological and Water Resources Division. Inventory of springs in Minnesota. These data are collected and compiled by the Minnesota DNR as a tool to help create awareness of and appreciatio...

10. Bedrock Topography 24K - Contours: Ohio

2016. Ohio Department of Natural Resources (ODNR). This data set contains surface and subsurface information used in the construction of the bedrock-topography maps for the state of Ohio. This data ...

11. Bedrock Topography 24K - Data Points: Ohio

2016. Ohio Department of Natural Resources (ODNR). This data set contains surface and subsurface information used in the construction of the bedrock-topography maps for the state of Ohio. This data ...

12. C-36 Geologic Atlas of Redwood County, Minnesota

2016. Setterholm, Dale, R. Plate 1 - Data Base, Plate 2 - Bedrock Geology, Plate 3 - Surficial Geology, Plate 4 - Quaternary Stratigraphy, Plate 5 - Sand Distribution Model -...

13. C-37 Geologic Atlas of Brown County, Minnesota

2016. Boerboom, Terrence Jauthor. Plate 1, Data Base, Plate 2, Bedrock Geology, Plate 3, Surficial Geology, Plate 4 Quaternary Stratigraphy, Plate 5 Bedrock Topography, Depth-to-Bed...

14. C-39 Geologic Atlas of Washington County, Minnesota

2016. Bauer, Emily J. Plate 1, Data Base, Plate 2, Bedrock Geology, Plate 3, Surficial Geology, Plate 4 Quaternary Stratigraphy, Plate 5 Sand Distribution Model, Plate 6...

15. C-40 Geologic Atlas of Wadena County, Minnesota

2016. Lusardi, Barbara, A. Plate 1 - Data Base, Plate 2 - Bedrock Geology, Plate 3 - Surficial Geology, Plate 4 - Quaternary Stratigraphy, Plate 5 - Sand Distribution Model -...

16. Geology - Geologic Formations: Maryland

2016. Maryland iMap. 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...

17. Geology - Hydric Soils: Maryland

2016. Maryland iMap. 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...

18. Geology - Physiographic Provinces: Maryland

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

19. Pollution Sensitivity of Near-Surface Materials: Minnesota

2016. Minnesota Department of Natural Resources, County Geologic Atlas Program. This dataset estimates the pollution sensitivity of near-surface materials from the transmission time of water through 3 feet of soil and 7 feet of...

20. Regions Prone to Surface Karst Feature Development: Minnesota

2016. Minnesota Department of Natural Resources (DNR). In Minnesota, surface karst features (including but not restricted to sinkholes, caves, stream sinks, and karst springs) are observed to primarily ...