Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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104 State Water Plan Watersheds: Pennsylvania

1998. Environmental Resources Research Institute. Digitized boundaries of 104 major watersheds defined in the Pennsylvania state water plan. The State Water Plan, originally developed in the 1970s,...

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Polygon

1990-2000 Election Data (with 2011 Wards), Wisconsin 2011

2011. WI Legislative Technology Services Bureau. This data layer represents various election results for 1990-2000 in Wisconsin, mapped with 2011 ward boundaries. [Election Data Overview: Election...

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1990-2000 Election Data (with 2017 Wards) Wisconsin, 2017

2017. WI Legislative Technology Services Bureau. This data layer represents various election results for 1990-2000 in Wisconsin, mapped with 2017 ward boundaries. [Ward Data Overview: Fall 2017 mu...

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2000 Census Block Groups: Detroit, Michigan, 2015

2015. Block groups for 2000 census. Data published on City of Detroit Open Data Portal in 2015.

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Polygon

2002-2010 Election Data (with 2011 Wards), Wisconsin 2011

2011. WI Legislative Technology Services Bureau. This data layer represents various election results for 2002-2010 in Wisconsin, mapped with 2011 ward boundaries. [Election Data Overview: Election...

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Polygon

2002-2010 Election Data (with 2017 Wards), Wisconsin 2017

2017. WI Legislative Technology Services Bureau. This data layer represents various election results for 2002-2010 in Wisconsin, mapped with 2017 ward boundaries. [Ward Data Overview: Fall 2017 mu...

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2010 Census Block Groups: Detroit, Michigan, 2015

2015. Block groups for 2010 census. Data published on City of Detroit Open Data Portal in 2015.

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Polygon

2012-2020 Election Data (with 2011 Wards), Wisconsin 2011

2011. WI Legislative Technology Services Bureau. This data layer represents various election results for 2012-2020 in Wisconsin, mapped with 2011 ward boundaries. Curently, the election results ra...

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Polygon

2012-2020 Election Data (with 2017 Wards), Wisconsin 2017

2017. WI Legislative Technology Services Bureau. This data layer represents various election results for 2012-2020 in Wisconsin, mapped with 2017 ward boundaries. Curently, the election results ra...

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3.75-Minute Quarter Quadrangle Boundary: Pennsylvania

2003. Pennsylvania Spatial Data Access. Index of USGS quarter-quadrangles (3.75 minute) covering Pennsylvania. The polygons are attributed with information pertaining to the USGS/PaGS Dig...

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Active Underground Permit Boundaries: Pennsylvania

2018. Pennsylvania Department of Environmental Protection. Pennsylvania state law requires those who wish to conduct mining activities within the Commonwealth submit and get approval by the Pennsylvania Dep...

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Addressing Boundaries: Summit County, Ohio

2015. Ohio Geographically Referenced Information Program. Boundary layer showing the areas the Summit County Division of Planning/GIS administers addresses for.

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Adjusted Census Urban Boundaries: Michigan

2015. State of Michigan. The Adjusted Census Urban Boundary (ACUB) Layer is a single polygon representing the boundary of an individual ACUB. The Adjusted Census Urban Boun...

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Adjusted Census Urban Boundary: Michigan, 2010

Southeast Michigan Council of Governments. 2010 Adjusted Census Urban Area/Boundary (ACUA/ACUB): 2010 Adjusted Census Urban Area polygons extracted from version 17 of the Michigan Geographic...

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Adjusted Municipal Boundaries: Crawford County, Pennsylvania

Crawford County PA Government. Functional municipality built and maintained from parcel boundaries and natural boundaries. This municipal boundary map service is NOT survey quali...

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Administrative Boundaries, Ramsey County: Minnesota

2016. This file geodatabase contains datasets that represent municipal boundaries, commissioner district boundaries and park boundaries. The following l...

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Advisory Neighborhood Commissions From 2002: Washington, D.C., United States

2002. City of Washington, DC. Advisory Neighborhood Commissions or ANC's are collections of Single Member Districts or SMD's. There are multiple ANC's for each of the eight Ward...

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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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Airport Authority District: Peoria County, Illinois

2017. Peoria County GIS. This polygon feature class represents the Airport Authority tax district boundary in Peoria County, Illinois. This boundary reflects the 2017 tax y...

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Aldermanic Districts: City of Madison, Wisconsin, 2017

2017. City of Madison. This data layer represents aldermanic district boundaries for the City of Madison, Wisconsin in 2017.