Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps Subject Elevation Remove constraint Subject: Elevation
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1.
Raster

1:24,000 - 7.5 minute digital elevation models (DEM) for the District of Columbia (30 meter)

2000. United States Geological Survey (USGS). Digital Elevation Model (DEM) is the terminology adopted by the USGS to describe terrain elevation data sets in a digital raster form. The standard...

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Raster

1:24,000 - 7.5 minute digital elevation models (DEM) for Virginia (30 meter)

2000. United States Geological Survey (USGS). Digital Elevation Model (DEM) is the terminology adopted by the USGS to describe terrain elevation data sets in a digital raster form. The standard...

3.
Raster

1:24,000 -7.5 minute digital elevation models (DEM) for West Virginia (30 meter)

2000. United States Geological Survey (USGS). Digital Elevation Model (DEM) is the terminology adopted by the USGS to describe terrain elevation data sets in a digital raster form. The standard...

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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 Cincinatti, 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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Clinton County, Ohio, Geographic Information Systems

2014-present. County website with links to aerial photography, transportation, census, elevation, and more. Download pages are in the process of being migrated t...

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Contours: Allegheny County, Pennsylvania

2006. Allegheny County Division of Computer Services Geographic Information Systems Group. Contour data was created as a result of a county flyover in the spring of 2004. Contours were created from a DTM Feature Dataset, upgraded by Baker...

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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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Data for Greene County, Ohio

2019. County website with downloadable shapefiles for addresses, boundaries, transportation, features, hydrology, parcels, parks, districts, soils, and m...

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Download GIS Data for Clermont County, Ohio

2017-present. County website containing downloadable shapefiles for addresses, elevation, boundaries, parks, transportation, districts, hydrology, and zoning, an...

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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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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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DVRPCs 2005 Topographic Contours: Bucks County, Pennsylvania

2005. Contour lines connect a series of points of equal elevation and are used to illustrate topography, or relief, on a map. They show the height of gro...

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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 and Map Data Downloads for Pickaway County, Ohio

2015-present. Pickaway County GIS Office. Website containing downloadable shapefiles for parcels, addresses, transportation, boundaries, hydrology, and more. Also contains 2017 aerial photo...

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GIS Data Downloads for Fairfield County Auditor's Office, Ohio

2014-present. County website containing downloadable shapefiles for addresses, agriculture, boundaries, districts, land cover, parcels, parks, transportation, so...