Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1. Aquifer Characteristics Of Glacial Drift: Michigan

2015. State of Michigan. This data set was derived from the 1981 publication of the Hydrological Atlas of Michigan plate 26. Three plates of the Aquifer Characteristics of ...

2. Aquifer Characteristics Of Glacial Drift: Michigan

2040. State of Michigan. This shape file was derived from the 1981 publication of the Hydrological Atlas of Michigan plate 26. Three plates of the Aquifer Characteristics o...

3. Base Flood Elevation: Carver County, Minnesota

2014. CarverGIS. 2010 FEMA DFIRM base flood elevations.

4. Base Flow of Michigan Streams: Michigan

2037. State of Michigan. This data set provides estimates of the ground-water contribution to stream flow, frequently referred to as base flow, in cubic feet per second. Th...

5. Base Flow of Michigan Streams: Michigan

2015. State of Michigan. This data set provides estimates of the ground-water contribution to stream flow, frequently referred to as base flow, in cubic feet per second. Th...

6. Boat Landings Map: Scott County, Minnesota

2015. Scott County Information Technology. Boat Landings map showing boat landing locations within Scott County.

7. City Council Wards with Demographics: Minneapolis, Minnesota, 2016

2012. City of Minneapolis GIS Office. Council ward boundaries with Council member contact information and enhanced population demographics from the 2010 U.S. Census.

8. Coastal Zone Management Areas: Michigan

2022. State of Michigan. A detailed digital geographic representation of the coastal zone management boundary applied under the Coastal Zone Management Act of 1972 (P.L. 92...

9. Coastal Zone Management Areas: Michigan

2016. State of Michigan. A detailed digital geographic representation of the coastal zone management boundary applied under the Coastal Zone Management Act of 1972 (P.L. 92...

10. County Wetland Inventory Map: Scott County, Minnesota

2015. Scott County Information Technology. County Wetland Inventory map showing wetlands within Scott County.

11. Estimated Groundwater Recharge: Michigan

2041. State of Michigan. This data set provides an estimate of annual groundwater recharge for each public land survey section in Michigan.

12. Estimated Groundwater Recharge: Michigan

2015. State of Michigan. This data set provides an estimate of annual groundwater recharge for each public land survey section in Michigan.

13. FEMA Flood Plain Map: Scott County, Minnesota

2015. Scott County Information Technology. FEMA Flood Plain map showing flood plain locations within Scott County.

14. Flood Plain, Indianapolis, Indiana

2017. City of Indianapolis-Marion County. Polygon file displaying the flood plains within Indianapolis and Marion County, Indiana. Data projection: NAD 1983 StatePlane Indiana East FIPS 130...

15. Floodplain - Effective FEMA Floodplain: Maryland

2016. Maryland iMap. This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. The Effective Floodplain layer represents the official regulat...

16. Floodplain - Preliminary FEMA Floodplain: Maryland

2016. Maryland iMap. This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. This layer offers the anticipated floodplain boundaries howeve...

17. Floodplain: Baltimore, Maryland

2015. City of Baltimore, Maryland. This dataset depicts flood risk areas in the City of Baltimore.

18. Floodplain Base Flood Elevations: Washington, D.C.

2015. District of Columbia GIS Program. Base Flood Elevation. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the ...

19. Floodplain, Cross Sections: Carver County, Minnesota

2014. CarverGIS. 2010 FEMA DFIRM floodplain cross sections.

20. Floodplain Cross Sections: Washington, D.C.

2015. District of Columbia GIS Program. Cross Sections. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk d...