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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...
Imagery 2013 - Tile Index: 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...
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...
Imagery 2015 - Tile Index: Allegheny County, Pennsylvania
2015. Tile Index - Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for c...
Imagery 2015: Allegheny County, Pennsylvania
2015. Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for camera lens di...
Imagery 2017 - 3 inch pixels: Allegheny County, Pennsylvania
2017. Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for camera lens di...
Imagery 2017 - 9 inch pixels: Allegheny County, Pennsylvania
2017. Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for camera lens di...
Imagery 2017 3 inch - Tile Index: Allegheny County, Pennsylvania
2017. Tile Index - Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for c...
Imagery 2017 9 inch - Tile Index: Allegheny County, Pennsylvania
2017. Tile Index - Orthophotos of Allegheny County, Pennsylvania - An orthoimage is remotely sensed image data that has been positionally corrected for c...
Imagery 2017: Penn State Campus: Pennsylvania
2017. Penn State Campus Imagery (caputured in 2017) includes Agricultural Research Center at Rock Springs.
Imagery Acquisition Flight Information - Control Points: Maryland
2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov.Ground control points are necessary for achieving the req...
Impervious Change - Central Appalachian Forest Ecoregion: Pennsylvania
2010. This raster dataset has been created by calculating the average of impervious surface for the small watersheds for years 1985 and 2000. The differe...
Impervious Change - High Allegheny Plateau Ecoregion: Pennsylvania
2010. This raster dataset has been created by calculating the average of impervious surface for the small watersheds for years 1985 and 2000. The differe...
Impervious Cover - Central Appalachian Forest Ecoregion: Pennsylvania
2010. This raster dataset has been created using the attribute field "Value" from the "Impervious Surface Area for Southeast Pennsylvania, 2000" data as ...
Impervious Cover - High Allegheny Plateau Ecoregion: Pennsylvania
2010. This raster dataset has been created using the attribute field "Value" from the "Impervious Surface Area for Southeast Pennsylvania, 2000" data as ...
Impervious Cover Change 1985-2000: Pennsylvania
2006. This raster dataset has been created by calculating the average of impervious surface for the small watersheds for years 1985 and 2000. The differe...
Impervious Cover year 1985: Pennsylvania
2006. This raster dataset has been created using the attribute field "Value" from the "Impervious Surface Area for Southeast Pennsylvania, 1985" data as ...
Impervious Cover year 2000: Pennsylvania
2006. This raster dataset has been created using the attribute field "Value" from the "Impervious Surface Area for Southeast Pennsylvania, 2000" data as ...
Important Bird Areas - Central Appalachian Forest Ecoregion
2010. This raster dataset has been created using the "Important Bird Areas" as originated by the Pennsylvania Audubon Society. All areas designated as co...
Important Bird Areas - High Allegheny Plateau Ecoregion
2010. This raster dataset has been created using the "Important Bird Areas" as originated by the Pennsylvania Audubon Society. All areas designated as co...