Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1. 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...

2. 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...

3. 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...

4. Surficial Geology: Wasington County, Minnesota

2016. Washington County Public Works. Shapefile of surficial geology of Washington County. Digitized from 1:100,000 scale paper version of County Atlas surficial geology map of surface ...

5. 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 -...

6. 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...

7. 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...

8. 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 -...

9. 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...

10. Surficial Sands: Minnesota

2016. Minnesota Department of Natural Resources, County Geologic Atlas Program. This dataset estimates the distribution of surficial sand units in Minnesota, from previously published surficial geology maps by the Minnesota Geo...

11. 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 ...

12. 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 ...

13. 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 ...