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Big Ten Academic Alliance Geoportal

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

Description:
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.
Publisher:
Allegheny County, Pennsylvania
Collection:
Counties Geospatial Data
Places:
Pittsburgh, Pennsylvania, United States and Pennsylvania, United States
Subjects:
Imagery and Base Maps and Aerial
Year:
2017
Contributed by:
Penn State
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