Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps Place Pennsylvania, United States Remove constraint Place: Pennsylvania, United States
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1. 7.5 minute Digital Raster Graphics for Pennsylvania - UTM - cropped collars: Pennsylvania, 1996

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map with cropped collars, georeferenced to the UTM grid.

2. 7.5 minute Digital Raster Graphics for Pennsylvania - UTM grid - NAD 1983 - cropped collars: Pennsylvania, 1996

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map with cropped collars, georeferenced to the UTM gr...

3. 7.5 minute Digital Raster Graphics for Pennsylvania- Albers - cropped collars: Pennsylvania, 1996

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map with cropped collars in Albers projection.

4. 7.5 minute Digital Raster Graphics for Pennsylvania UTM grid - NAD 1983: Pennsylvania, 1996

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

5. 7.5 minute Digital Raster Graphics UTM: Pennsylvania, 1996

1996. U.S. Geological Survey. A Digital Raster Graphic (DRG) is a raster image of a scanned USGS topographic or planimetric map including the collar information, georeferenced t...

6. Allegheny County - Blocks: Pennsylvania, 2002

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 ...

7. Allegheny County - Contours: Pennsylvania, 2006

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...

8. Allegheny County - Slopes: Pennsylvania, 2010

2010. Allegheny Places Design Team. Slope data.

9. Allegheny County - Spot Elevation: Pennsylvania, 2006

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...

10. Allegheny County - Urban Tree Canopy: Pennsylvania, 2010

2010. University of Vermont Spatial Analysis Laboratory and Allegheny County Division of Computer Services Geographic Information Systems Group. Allegheny County Urban Tree Canopy. High resolution land cover dataset for Allegheny County, Pennsylvania.

11. Allegheny County Imagery 2010 - Tile Index: Pennsylvania, 2010

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...

12. Allegheny County Imagery 2010: Pennsylvania, 2010

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...

13. Allegheny County Imagery 2013 - Tile Index: Pennsylvania, 2013

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...

14. Allegheny County Imagery 2013: Pennsylvania, 2013

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...

15. Aquatic Resources Combined - Central Appalachian Forest Ecoregion: Pennsylvania, 2010

2010. Natural Lands Trust. This raster dataset is a compilation of several data sets that have been combined to create an overall aquatic resources conservation value raster ...

16. Aquatic Resources Combined - High Allegheny Plateau Ecoregion: Pennsylvania, 2010

2010. Natural Lands Trust. This raster dataset is a compilation of several data sets that have been combined to create an overall aquatic resources conservation value raster ...

17. Bird Areas - High Allegheny Plateau Ecoregion: Pennsylvania, 2010

2010. Natural Lands Trust. This raster dataset has been created using the NImportant Bird AreasN as originated by the Pennsylvania Audubon Society. All areas designated as co...

18. Bird Habitat - Central Appalachian Forest Ecoregion: Pennsylvania, 2010

2009. Natural Lands Trust. This raster dataset has been created using the original data NPennsylvania conservation gap avian habitat modelsN as originated by the Environmenta...

19. Bird Habitat - High Allegheny Plateau Ecoregion: Pennsylvania, 2010

2010. Natural Lands Trust. This raster dataset has been created using the original data NPennsylvania conservation gap avian habitat modelsN as originated by the Environmenta...

20. Conservation Resources: Pennsylvania, 2006

2006. Natural Lands Trust with input data from PA DEP. This raster dataset is a compilation of three groups of data including Aquatic Resources, Terrestrial Resources, and Rarity. Several data sets were...