Big Ten Academic Alliance Geospatial Information Network.
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2010. Legislative Technology Services Bureau. This polygon data layer represents counties in Wisconsin in 2010. The dataset was originally published by the United States Census Bureau and then ...
1992. Metro Data Resource Center. This line data layer represents county boundaries for Portland Metro, Oregon in 1992. The dataset was originally published by the Metro Data Resour...
1992. Metro Data Resource Center. This polygon data layer represents county boundaries for Portland Metro, Oregon in 1992. The dataset was originally published by the Metro Data Res...
1990. Legislative Technology Services Bureau. This polygon data layer represents counties for Southeastern Wisconsin in 1990. The dataset was originally published by the Legislative Technology ...
2000. United States Census Bureau. This polygon data layer represents county boundaries for Wisconsin in 2000. The dataset was originally published by the Legislative Technology Serv... Legislative Technology Services Bureau.
2003. Illinois State Geological Survey. This line data layer represents county boundaries for Illinois in 2003. The dataset was originally published by the Illinois State Geological Surve... Illinois State Geological Survey.
2003. This polygon data layer represents counties for Illinois in 2003. The dataset was originally published by the Illinois State Geological Survey in J... Illinois State Geological Survey.
2016. Legislative Technology Services Bureau. This polygon data layer represents county supervisory districts for the state of Wisconsin in 2016. Not all the counties are represented. The datas...
2021. Legislative Technology Services Bureau. This polygon data layer represents county supervisory districts for Wisconsin in 2021.