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1. 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...

2. 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...

3. National Agriculture Imagery Program (NAIP) 2013 for Pennsylvania

2013. USDA-FSA Aerial Photography Field Office. This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP acquires digital ortho imagery during the agricultura...

4. National Agriculture Imagery Program (NAIP) 2013 for Pennsylvania - Tile Index

2013. Tile Index - This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP acquires digital ortho imagery during th...