Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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Aquifer Characteristics Of Glacial Drift: 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 ...

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Base Flood Elevation: Carver County, Minnesota

CarverGIS. 2010 FEMA DFIRM base flood elevations.

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Base Flow of Michigan Streams: Michigan

Base Flow of Michigan Streams: 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...

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Base Flow of Michigan Streams: 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...

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Coastal Zone Management Areas: Michigan

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

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Designated Water Trails: Michigan

Minnesota Department of Natural Resources. Feature service of DNR managed GIS data to be published on the MI DNR Open Data site.

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Estimated Groundwater Recharge: Michigan

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

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FEMA FIRM Flood Hazard Areas: Clay County, Minnesota

2012. Clay County, Minnesota. FEMA FIRM Flood Hazard Areas in Clay County, MN. Data was created in 2012.

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Flood Plain, Indianapolis, Indiana

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...

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Floodplain - Effective FEMA Floodplain: Maryland

Floodplain - Effective FEMA Floodplain: Maryland

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...

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Floodplain - Preliminary FEMA Floodplain: Maryland

Floodplain - Preliminary FEMA Floodplain: Maryland

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...

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Floodplain: Baltimore, Maryland

Floodplain: Baltimore, Maryland

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

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Floodplain Base Flood Elevations: Washington, D.C.

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 ...

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Floodplain, Cross Sections: Carver County, Minnesota

Floodplain, Cross Sections: Carver County, Minnesota

CarverGIS. 2010 FEMA DFIRM floodplain cross sections.

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Floodplain Cross Sections: Washington, D.C.

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...

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Floodplain FIRM Panels: Washington, D.C.

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

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Floodplain, Floodzone: Carver County, Minnesota

CarverGIS. 2010 FEMA DFIRM floodzones.

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Floodplain General Structures: Washington, D.C.

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

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Floodplains from 1985: Washington, D.C.

1985. District of Columbia GIS Program. Floodplains from 1985. The FIRM is the basis for floodplain management, mitigation, and insurance activities for the National Flood Insurance Progr...

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Floodplains from 2010: Washington, D.C.

2010. District of Columbia GIS Program. Floodplains from 2010. The FIRM is the basis for floodplain management, mitigation, and insurance activities for the National Flood Insurance Progr...