Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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Public FTP for Mahoning County, Ohio

1900-present. Mahoning County GIS Dept. FTP site containing downloadable datasets for parcels, boundaries, addresses, transportation, hydrology, land use, and more. Also contains aerial p...

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Downloads for Crawford County, Ohio

2001-present. County website containing downloadable CAD and shapefiles for parcels, addresses, transportation, PLSS, soils, districts, hydrology, elevation, and...

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IowaDOT Open Data

1930-2019. Iowa Department of Transportation. This portal is Iowa Department of Transportation's public platform for exploring and downloading open geospatial data. Topics of available datasets...

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Indiana Spatial Data Portal

1887-2019. The Indiana Spatial Data Portal (ISDP) provides access to more than 30 terabytes of Indiana geospatial data. Most datasets are available to the pub...

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Kankakee County GIS

2006-2019. Kankakee County GIS. The County of Kankakee's Department of Geographic Information Systems provides the general public with geographic data and web applications for geo...

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Adams County, Illinois GIS

1872-2019. Adams County GIS. Geospatial datasets are publicly available via a FTP site access link, which is found on the Adams County, IL website GIS Department page linked he...

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Allen County GIS Data Download Page

2001-present. County website containing downloadable shapefiles for property information, transportation features, soils, topography, and districts. It also cont...

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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...