Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1. Aggregate Resource Mapping Program: Minnesota

2014. Minnesota Department of Natural Resources (DNR). The Aggregate Resource Mapping Program (ARMP) began in 1984 when the Minnesota Legislature passed a law (Minnnesota Statutes, section 84.94) to: - ...

2. Aggregate Resources 1997, 2020 and 2040: Metro Twin Cities, Minnesota

2000. Metropolitan Council. The Aggregate Resources (sand, gravel and limestone and dolomite) dataset contains three separate shape files for aggregate resources for 1997, 202...

3. AgroEcoregions: Minnesota

2014. Minnesota Department of Agriculture. Minnesota has 39 agroecoregions. Each agroecoregion is associated with a specific combination of soil types, landscape and climatic features, and l...

4. DNR Mineral Potential Section Projects Since 1976: Minnesota

2017. Minnesota Department of Natural Resources (DNR). Spatial (GIS) footprints of published and open-file projects since 1976 sourced from the Minnesota DNR's Mineral Potential Section. Most of the foo...

5. Ecological Land Type Associations: Minnesota

2014. Minnesota Department of Natural Resources (DNR). This coverage provides information for the fourth level of the Ecological Classification System. Polygon boundaries were delineated at a scale of 1...

6. Ecological Sections: Minnesota

2014. Minnesota Department of Natural Resources (DNR). This coverage provides information for all three levels of the Ecological Classification System (ECS): Provinces, Sections, and Subsections. The bo...

7. Environmental Data: Ramsey County, Minnesota

2016. Ramsey County. This file geodatabase contains datasets that include soil survey (SSURGO) and open water.

8. Exploration, Scientific, and Engineering Boring Hole Locations Stored in the Drill Core Library: Minnesota

2017. Minnesota Department of Natural Resources (DNR). Location data for exploratory, sciencific, or engineering boring samples stored in the DNR's Drill Core Library in Hibbing, Minnesota. For more inf...

9. Geology of Blue Mounds State Park: Minnesota

2015. Minnesota Geological Survey. This dataset contains 8 layers describing the geology of Blue Mounds State Park. The work used to produce this data was published in this report: G...

10. Geomorphology: Minnesota

2014. University of Minnesota-Duluth Geology Department; MN Geological Survey, MN DNR. 1:100,000 scale geomorphology data describing a wide variety of conditions related to surficial geology within a hierarchical classification scheme...

11. 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...

12. Mean annual potential groundwater recharge rates from 1996 - 2010 for: Minnesota

2015. U.S. Geological Survey. Estimated mean annual potential groundwater recharge rates in Minnesota from 1996-2010 based on the Soil-Water-Balance (SWB) model.

13. Metro Wetlands and Wet Areas (MMCD): Minnesota

2017. Metropolitan Mosquito Control District. This layer depicts wetlands and wet areas tracked by the Metropolitan Mosquito Control District (MMCD) as potentially holding water long enough to ...

14. Mineral Exploration Document Areas - Lehmann Family Fund Collection: Minnesota

2017. Minnesota Department of Natural Resources (DNR) - Lands and Minerals Division. Spatial (GIS) footprints that connect to more than 2,000 scanned mineral exploration documents from the Lehmann Family Fund Collection (including t...

15. Mineral Exploration Document Areas - Minarchive: Minnesota

2017. Minnesota Department of Natural Resources (DNR). Spatial (GIS) footprints that connect to more than 10,000 scanned mineral exploration documents indexed by the Minnesota DNR's Lands and Minerals D...

16. Mississippi River Corridor Critical Area (MRCCA) Soil Erosion Susceptibility: Minnesota

2017. Minnesota Department of Natural Resources (DNR) - Ecological and Water Resources Division. The soil erodibility index shows the relative potential for soils within the MRCCA to erode. The index combines the inherent erodibility of a soil ...

17. MNDNR Watershed Suite: Minnesota

2014. Minnesota Department of Natural Resources (MNDNR). The MNDNR Watershed Suite is a collection of watershed delineations at various levels, flow network lines, and pour points. Follow the links below ...

18. Observation Wells - Changes Over Time in Groundwater Levels: Metro Twin Cities, Minnesota

2017. Metropolitan Council & Minnesota Department of Natural Resources. Minnesota Department of Natural Resources (DNR) manages a statewide network of water-level observation wells. Data from these wells are used to det...

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. Pollution Sensitivity of the Bedrock Surface Hydrogeology Atlas series HG-01: Minnesota

2016. Minnesota Department of Natural Resources (DNR), Ecological and Water Resources Division, County Geologic Atlas Program. Pollution Sensitivity of the Bedrock Surface characterizes the relative rate of vertical travel time of a contaminant that moves conservatively wit...