Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Imagery 2017 9 inch - Tile Index: Allegheny County, Pennsylvania

Tile Index - Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for camera lens distortion, vertical displacement and variations in aircraft altitude and orientation. Orthoimagery combines the image characteristics of a photograph with the geometric qualities of a map. Aerial survey of Allegheny County,Pennsylvania. Orthophotos serve a variety of purposes, from interim maps to field references for earth science investigations and analysis. The digital orthophoto is useful as a layer of a geographic information system and as a tool for revision of digital line graphs and topographic maps.
Pennsylvania Spatial Data Access (PASDA)
Pittsburgh, Pennsylvania, United States and Pennsylvania, United States
Imagery and Base Maps and Aerial
Contributed by:
Penn State
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