Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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101.
Image

Aerial Photography: Franklin County, Ohio, 2007

2007. 2007 Ortho Aerial Photography of Franklin County and Surrounding Areas.

102.
Image

Aerial Photography: Franklin County, Ohio, 2009

2009. 2009 Ortho Aerial Photography of Franklin County and Surrounding Areas.

103.
Image

Aerial Photography: Franklin County, Ohio, 2011

2011. 2011 Ortho Aerial Photography of Franklin County and Surrounding Areas.

104.
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Aerial Photography: Franklin County, Ohio, 2013

2013. 2013 Ortho Aerial Photography of Franklin County and Surrounding Areas.

105.
Image

Aerial Photography: Franklin County, Ohio, 2015

2015. 2015 Ortho Aerial Photography of Franklin County and Surrounding Areas.

106.
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Aerial Photography: Franklin County, Ohio, 2017

2017. 2017 Ortho Aerial Photography of Franklin County and Surrounding Areas.

107.
Raster

Aerial Photography, Leaf-on: Dakota County, Minnesota, 2016

2016. Ayres Associates provided Dakota County with low level (6-inch) digital, color orthoimagery services in 2016. The aerial imagery was collected on A...

108.
Raster

Aerial Photography: Mifflin County, Pennsylvania

1995. Mifflin County - Laura H. McLaughlin. Mifflin County aerial photography.

109.
Andreas Atlas Counties: Iowa, 1875

Andreas Atlas Counties: Iowa, 1875

1875. Iowa Department of Natural Resources. 1875 Andreas Atlas of Iowa Each zip file contains a county raster dataset.

110.
Raster

Aquatic Resources Combined - Central Appalachian Forest Ecoregion: Pennsylvania

2010. This raster dataset is a compilation of several data sets that have been combined to create an overall aquatic resources conservation value raster ...

111.
Raster

Aquatic Resources Combined - High Allegheny Plateau Ecoregion: Pennsylvania

2010. This raster dataset is a compilation of several data sets that have been combined to create an overall aquatic resources conservation value raster ...

112.
Vector Created with Sketch.

Base Map: Pennsylvania

2018. Pennsylvania Base Map.

113.
Vector Created with Sketch.

Basemap of Washington, D.C.

The DC Basemap web service provides a reference map for the District of Columbia projected in Web Mercator. Access theArcGIS Rest endpointorview a ...

114.
Vector Created with Sketch.

Basemap of Washington, D.C. in Dark Gray

The Dark Gray DC Basemap web service provides a reference map for the District of Columbia projected in Web Mercator. Access theArcGIS Rest endpoin...

115.
Vector Created with Sketch.

Basemap of Washington, D.C. in Light Gray

The Light Gray DC Basemap web service provides a reference map for the District of Columbia projected in Web Mercator. Access theArcGIS Rest endpoi...

116.
Vector Created with Sketch.

Basemap Service: Minnesota

2014. Minnesota Department of Agriculture. This map service is intended as a suitable general, theme-agnostic basemap that can be overlain on top of aerial photography or other opaque layers...

117.
Raster

Bird Habitat - Central Appalachian Forest Ecoregion: Pennsylvania

2010. This raster dataset has been created using the original data "Pennsylvania conservation gap avian habitat models" as originated by the Environmenta...

118.
Raster

Bird Habitat - High Allegheny Plateau Ecoregion: Pennsylvania

2010. This raster dataset has been created using the original data "Pennsylvania conservation gap avian habitat models" as originated by the Environmenta...

119.
Vector Created with Sketch.

Boundaries of Planning Projects & Scanned Drawings: Howard County, Maryland

The polygon boundaries of scanned plan drawings. Each boundary is hyper-linked to a unique drawing in .PDF format. The .PDF may be downloaded usi...

120.
Vector Created with Sketch.

Building Footprints: Anne Arundel County, Maryland

2014. Buildings were derived from the County's 2014 Impervious Surface dataset which was created for the County's storm water fee. This map layer was man...