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Allegheny County Division of Computer Services Geographic Information Systems Group
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Imagery and Base Maps
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Penn State
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1. Blocks: Allegheny County, Pennsylvania
2002. Allegheny County Division of Computer Services Geographic Information Systems Group. Derived from original MAPINDX: Map Index Sheets from Block and Lot Grid of Property Assessment and based on aerial photography, showing 1983 datum ...
2. 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...
3. Imagery 2010 - Tile Index: Allegheny County, Pennsylvania
2010. Allegheny County Division of Computer Services Geographic Information Systems Group. TILE INDEX - Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for c...
4. Imagery 2010: Allegheny County, Pennsylvania
2010. Allegheny County Division of Computer Services Geographic Information Systems Group. Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for camera lens di...
5. Imagery 2013 - Tile Index: Allegheny County, Pennsylvania
2013. Allegheny County Division of Computer Services Geographic Information Systems Group. Tile Index - Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for c...
6. Imagery 2013: Allegheny County, Pennsylvania
2013. Allegheny County Division of Computer Services Geographic Information Systems Group. Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for camera lens di...
7. Spot Elevation: Allegheny County, Pennsylvania
2006. Allegheny County Division of Computer Services Geographic Information Systems Group. Spot Elevation data was created as a result of a county flyover in the spring of 2004. They were created from a DTM Feature Dataset, upgraded by Ba...