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Imagery and Base Maps
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Pennsylvania Spatial Data Access (PASDA)
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Pennsylvania, United States
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Vector
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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. DVRPCs 2005 Topographic Contours: Bucks County, Pennsylvania
2005. Delaware Valley Regional Planning Commission. Contour lines connect a series of points of equal elevation and are used to illustrate topography, or relief, on a map. They show the height of gro...
4. Historic topographic maps for Pennsylvania
2005. U.S. Geological Survey. Historic USGS 15 minute topographic maps for Pennsylvania as collected from the MapTech Historical Map Collection at 'http://historical.maptech.com...
5. Historic topographic maps for Pennsylvania, Version 2 (Albers)
2006. U.S. Geological Survey. A newly revised version of the historic USGS 15 minute topographic maps for Pennsylvania as collected from the MapTech Historical Map Collection at...
6. PA Explorer: Terrabyte Image: Pennsylvania
1998. Wayne Myers. The Terrabyte images are extractives from Landsat Thematic Mapper images through the SpectraPlex process. This process does not permit the full res...
8. Services - Contours 2015 10ft: Philadephia, Pennsylvania
2015. Karen Kwasnowski. The City of Philadelphia has migrated metadata for this data set to the City-wide Metadata Catalog. For any questions about the migration and admin...
9. Services - Contours 2015 1ft: Philadephia, Pennsylvania
2015. Karen Kwasnowski. The City of Philadelphia has migrated metadata for this data set to the City-wide Metadata Catalog. For any questions about the migration and admin...
10. Slopes: Allegheny County, Pennsylvania
2010. Allegheny Places Design Team. Slope data.