Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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108th Congressional Districts for the Delaware River Basin Area'

2004. 108th Congressional Districts for the Delaware River Basin Area. These were compiled from the 4 basin states and combined into one layer.

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Agricultural Water Quality Certification Program (MAWQCP) Pilot and Expanded Areas: Minnesota

Agricultural Water Quality Certification Program (MAWQCP) Pilot and Expanded Areas: Minnesota

2015. Minnesota Department of Agriculture. The Minnesota Agricultural Water Quality Certification Program (MAWQCP) is a voluntary opportunity for farmers and agricultural landowners to take ...

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Ambient and fixed station network groundwater monitoring point data (1985 - 1998): Pennsylvania

1999. Pennsylvania Department of Environmental Protection. This coverage represents the point locations and data for 1,106 groundwater quality monitoring points sampled under the PA DEP Fixed Station Networ...

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ArcGIS REST Services Directory for Ashtabula County, Ohio

1938-present. ArcGIS REST site referencing layers for all common data types and more. Also contains aerial photography from 1938, 2006-2017 (4yrs). Contains refe...

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ArcGIS REST Services Directory for Butler County Auditor, Ohio

2014-present. ArcGIS REST site with references to parcels, hydrology, soils, boundaries, other basemap features, and more. Also contains aerial photography from ...

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ArcGIS REST Services Directory for Cincinnati, Ohio

1932-present. ArcGIS REST site referencing layers for all common data types and more. Also contains aerial photography from 1996-2017 (10yrs). Also references hi...

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ArcGIS REST Services Directory for Henry County, Ohio

2016-present. ArcGIS REST site referencing layers for all common data types and more.

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ArcGIS REST Services Directory for Lucas County, Ohio

1998-present. ArcGIS REST site referencing layers for parcels, boundaries, transportation, hydrology, utilities, and more. Also contains references to elevation ...

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ArcGIS REST Services Directory for Wood County, Ohio

2014-present. ArcGIS REST site referencing layers for parcels, addresses, transportation, hydrology, geology, elevation, boundaries, and more. Also references ae...

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Assessed Waters, 2016 (Proposed): Minnesota

Assessed Waters, 2016 (Proposed): Minnesota

2016. Minnesota Pollution Control Agency. This is a proposed set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2016 303(d)/305(b) integrated report ...

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Base Flow Of Michigan Streams: Michigan

2017. 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...

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Bathymetric Contours for Selected Lakes: Indiana

Bathymetric Contours for Selected Lakes: Indiana

2012. Indiana Department of Natural Resources, Division of Fish and Wildlife. LAKE_BATHYMETRY_IDNR_IN.SHP provides bathymetric contours for the following 85 lakes in Indiana, with depths calculated from the average shoreline ...

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County Seats for the Delaware River Basin Area: Pennsylvania

2004. County Seats (county capitals) for the Delaware River Basin Area.

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Culvert Inventory, Lake County: Minnesota

Culvert Inventory, Lake County: Minnesota

2017. This layer contains data collected to contribute to a culvert inventory of Lake County, Minnesota. Information includes: stream name, road name, st...

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Data Downloads FTP (Google Drive) for Ottawa County, Ohio

2006-present. Ottawa County Engineer's and Auditor's Offices. FTP Google Drive containing downloadable shapefiles, geodatabases for parcels, addresses, transportation, boundaries, schools hydrology, geology, a...

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Delaware River Basin boundary - line: Pennsylvania

2004. line boundary of the Delaware River basin.

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Delaware River Basin boundary - polygon: Pennsylvania

2004. polygon boundary of the Delaware River Basin.

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Delaware River Basin Commission watershed boundaries - HUC 8: Pennsylvania

2004. watershed boundaries for the Delaware River Basin at the HUC 8 level.

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Delaware River Basin county boundaries - clipped: Pennsylvania

2004. County boundaries clipped to the Delaware River Basin.

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Delaware River Basin county boundaries - unclipped: Pennsylvania

2004. County boundaries that touch the Delaware River Basin, not clipped to the basin boundary.

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Delaware River Basin creeks and rivers: Pennsylvania

2004. creeks and rivers clipped to the Delaware River Basin.

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Delaware River Basin major cities: Pennsylvania

2004. major cities and towns within Delaware River Basin.

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Delaware River Basin Reservoirs: Pennsylvania

2004. Reservoirs located within the Delaware River Basin.

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Delaware River Basin sub-basins: Pennsylvania

2004. sub-basins within the Delaware River Basin.

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Delaware River Basin watershed boundaries - HUC 11: Pennsylvania

2004. watershed boundaries for the Delaware River Basin at the HUC 11 level.

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Delaware River boundary: Pennsylvania

2004. Boundary of the Delaware river within the Delaware River Basin.

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Delaware river bridges: Pennsylvania

2004. Bridges over the Delaware river within the Delaware River Basin.

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Delaware River islands: Pennsylvania

2004. islands located on the Delaware River within the Delaware River Basin.

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Delaware state boundary - line: Pennsylvania

2004. Line boundary for the state of Delaware.

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Delaware Water Gap Landuse: Pennsylvania

2000. United States Geological Survey (USGS). Landuse for the Delaware Water Gap and Surrounding watersheds and tributaries.

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Delaware watersheds within the Delaware River Basin: Pennsylvania

2004. Delaware watersheds within the Delaware River Basin.

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Downloadable Files to Download from Knox County, Ohio

2019. Knox County GIS Dept. Website containing downloadable shapefiles for parcels, addresses, transportation, boundaries, hydrology, zoning, and more.

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Downloadable Maps and Data for Hocking County, Ohio

2006-present. Hocking County Mapping and Drafting Department. Website containing downloadable shapefiles for parcels, addresses, transportation, boundaries, schools hydrology, geology, and more. Also contains ...

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Drinking Water Supply Management Area for Surface Water (DWSMA-SW): Minnesota

2015. Minnesota Department of Health. Drinking water supply management area for a surface water intake (DWSMA-SW) is the Minnesota Department of Health (MDH) endorsed surface and subsur...

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Emergency Response Areas (ERA): Minnesota

2015. Minnesota Department of Health. Emergency response area (ERA) is the Minnesota Department of Health (MDH) approved surface and subsurface area surrounding a public water supply we...

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Engineer's Office Maproom FTP for Logan County, Ohio

2005-present. Logan County Engineer's Office. FTP site containing downloadable datasets for parcels, boundaries, transportation, hydrology, geology, addresses, and more. Also contains aerial p...

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Enterprise GIS Data Download Page for Morrow County, Ohio

2019. Morrow County Enterprise GIS. Website containing downloadable shapefiles for parcels, addresses, transportation, boundaries, hydrology, geology, and more. LBRS named datasets - ...

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Facilities in the National Pollutant Discharge Elimination System: Indiana

Facilities in the National Pollutant Discharge Elimination System: Indiana

2013. Indiana Department of Environmental Management, Office of Land Quality. NPDES_FACILITY_IDEM_IN is a point shapefile that contains National Pollutant Discharge Elimination System (NPDES) Program Facilities in Indiana, pr...

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FEMA 100 Year Flood Zone: Harford County, Maryland

2018. Harford County Government. FEMA 100 Year Flood Zone, Harford County Maryland.

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FEMA 500 Year Flood Zone: Harford County, Maryland

2018. Harford County Government. FEMA 500 Year Flood Zone, Harford County Maryland.

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FEMA Flood Insurance Rate Map, Flood Risk Zones: Baltimore, Maryland, 2014

2014. Enterprise Geographic Information Services. Polygon feature representing flood risk as defined by the FEMA Digital Flood Insurance Rate Map database. Last Updated 2014.

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FIRM Floodplains and Flood Hazard Zones: Indiana

FIRM Floodplains and Flood Hazard Zones: Indiana

2017. Indiana Department of Natural Resources. This polygon layer represents floodplains created from FEMA Flood Rate Insurance Maps (FIRM). The layer is symbolized to show the following flood h...

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Floodplain: Ann Arbor, Michigan, 2012

2012. That portion of the river valley, adjacent to the channel, which is built of sediments deposited during the present geological / climatic regime. B...

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Floodplain Base Flood Elevations: Washington, D.C.

2015. City of Washington, DC. 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: Washington, D.C.

2015. City of Washington, DC. 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: Dublin, Ohio

2015. Ohio Geographically Referenced Information Program. Environmental data around the City of Dublin, OH, USA.

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Floodplain General Structures: Washington, D.C.

2015. City of Washington, DC. 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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GeoDataBase Files Downloads for Montgomery County, Ohio

1936-present. Montgomery County Auditor's Office. Website containing downloadable zip file (large > 1GB) containing all common geospatial datasets. Also contains aerial photography for selected ye...

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GIS Data Downloads for Madison County, Ohio

2007-present. Madison County GIS & IT. Website containing downloadable shapefiles for parcels, addresses, transportation, boundaries, hydrology, geology, and more. Hosted by Digital Data...

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GIS Data Downloads for Medina County, Ohio

2002-present. Medina County GIS Dept. Website containing downloadable shapefiles for parcels, boundaries, addresses, transportation hydrology, land use, and more. Also contains aerial p...