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1. Aerial Photography 2011 - Leaf On - Tile Index: Philadephia, Pennsylvania

2011. Philadelphia aerial photography.

2. Aerial Photography 2011 - Leaf On: Philadephia, Pennsylvania

2011. Philadelphia aerial photography - Leaf On.

3. Aerial Photography 2011 - Tile Index: Philadephia, Pennsylvania

2011. Philadelphia aerial photography.

4. Aerial Photography 2011: Philadephia, Pennsylvania

2011. Philadelphia aerial photography.

5. Airports: Chester County, Pennsylvania

2011. Pennsylvania Department of Transportation (PennDOT). This layer represents all airports in Chester County.

6. Allegheny National Forest Allegheny Reservoir: Pennsylvania

2011. This dataset includes the Allegheny Reservoir shoreline at summer level within the Allegheny National Forest (ANF) proclamation boundary.

7. Allegheny National Forest Allegheny River: Pennsylvania

2011. This dataset includes the Allegheny River shorelines along/within the proclamation boundary of the Allegheny National Forest (ANF).

8. Allegheny National Forest Ecological Landtype: Pennsylvania

2011. The aim of landscape ecosystem classification and mapping is to distinguish appropritely sized ecosystems - useful and functional land units that d...

9. Allegheny National Forest ELT Landform: Pennsylvania

2011. The aim of landscape ecosystem classification and mapping is to distinguish appropritely sized ecosystems - useful and functional land units that d...

10. Allegheny National Forest Land Type Association ANF: Pennsylvania

2011. The aim of landscape ecosystem classification and mapping is to distinguish appropritely sized ecosystems - useful and functional land units that d...

11. Allegheny National Forest Local Town: Pennsylvania

2011. This dataset includes all cities, towns, boroughs and villages within and surrounding the Allegheny National Forest (ANF).

12. Allegheny National Forest Quadrangle Boundary: Pennsylvania

2011. This dataset contains the boundary lines of the USGS (United States Geological Survey) 7.5 minute quadrangles covering the ANF (Allegheny National ...

13. Allegheny National Forest Recreation Site Polygon: Pennsylvania

2011. This dataset depicts recreation areas, overlooks, trailheads, campgrounds, offices and other points of interest large enough to be represented as a...

14. Allegheny National Forest Waterbody: Pennsylvania

2011. This polygon dataset depicts the waterbodies (rivers, lakes, reservoirs, ponds and double-line streams) on the Allegheny National Forest (ANF). Nam...

15. Allegheny National Forest Wilderness: Pennsylvania

2011. This dataset displays parcels of Forest Service land congressionally designated as wilderness. The Allegheny Islands Wilderness and the Hickory Cre...

16. Boundary: Chester County, Pennsylvania

2011. Chester County DCIS/GIS. This dataset contains the county outline (boundary) polygon for Chester County, PA.

17. Choptank River Heritage Access

2011. ChoptankRiverHeritage.org. Public landings and other river access points to the Choptank River and its tributaries, on Maryland's Eastern Shore.

18. Choptank River Heritage Environmental

2011. ChoptankRiverHeritage.org. Shows environmental education and preservation sites in or near the watershed of the Choptank River, on Maryland's Eastern Shore, that are of inter...

19. Choptank River Heritage Historic Sites

2011. Choptank River Heritage Center (CRHC), 10219 River Landing Rd., Denton, Md 21629. Shows historic sites in or near the watershed of the Choptank River, on Maryland's Eastern Shore, that are of interest to tourism planners, histori...

20. Choptank River Heritage NRHP (National Register of Historic Places)

2011. Maryland Historical Trust (MHT). This map shows NRHP sites in the Mid-Shore counties of Kent, Queen Anne, Caroline, Talbot, and Dorchester, on Maryland's Eastern Shore. Map data wa...

21. DEP Regions: Pennsylvania

2011. PA DEP. Spatially displays the six regions of Pennsylvania Department of Environmental Protection.

22. Fish Consumption Advisories for the Susquehanna River Basin: Pennsylvania

2011. Susquehanna River Basin Commission (SRBC). Polyline shapefile representing streams in the Susquehanna River Basin that have a fish consumption advisory listing due to PCBs and/or mercury. Th...

23. Keep Pennsylvania Beautiful - Illegal Dump Surveys - points: Pennsylvania

2011. Keep Pennsylvania Beautiful. Keep Pennsylvania Beautiful illegal dump surveys educate state, county and local officials, as well as citizens, about the problem of illegal dumpi...

24. Land Cover Raster 2008: Philadephia, Pennsylvania

2011. City of Philadelphia University of Vermont Spatial Analysis Laboratory. High resolution land cover dataset for Philadelphia. Seven land cover classes were mapped: (1) tree canopy, (2) grass/shrub, (3) bare earth, (4) wa...

25. Landcover - Prince Georges County, Maryland

2011. University of Vermont Spatial Analysis Laboratory. Note: This is a resampled version of the land cover data. The cell size was increased from 0.5ft to 3ft to make the data more manageable to work wi...

26. Municipal Boundaries: Chester County, Pennsylvania

2011. Chester County DCIS/GIS. This dataset contains municipal boundary polygons for Chester County, PA.

27. National Flood Hazard Layer: Cameron County, Pennsylvania

2011. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...

28. National Flood Hazard Layer: Clearfield County, Pennsylvania

2011. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...

29. National Flood Hazard Layer: Fulton County, Pennsylvania

2011. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...

30. National Flood Hazard Layer: Mifflin County, Pennsylvania

2011. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...

31. PAMAP Spatial Energy Imagery - Tile Index: Pennsylvania

2011. Tile Index - Half meter GSD represented in Geographic Decimal Degrees, natural color (RGB), 8-bit per band digital orthophotography for approximate...

32. PAMAP Spatial Energy Imagery: Pennsylvania

2011. PA DCNR Bureau of Topographic and Geologic Survey. Half meter GSD represented in Geographic Decimal Degrees, natural color (RGB), 8-bit per band digital orthophotography for approximately 14,035 squ...

33. USGS Geopdfs for District of Columbia

2011. U.S. Geological Survey. Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydro...

34. USGS Geopdfs for Pennsylvania 30 x 60 Minute

2011. U.S. Geological Survey. GeoPDF 30 x 60 Minute Quadrangle Map for Pennsylvania.

35. USGS High Resolution Orthoimagery for Harrisburg, Pennsylvania

2011. U.S. Geological Survey. This data set consists of 0.3-meter pixel resolution (approximately 1-foot), natural color orthoimages covering the urban area footprint. An orthoi...

36. USGS High Resolution Orthoimagery for Harrisburg, Pennsylvania - Tile Index

2011. U.S. Geological Survey. TILE INDEX - 'This data set consists of 0.3-meter pixel resolution (approximately 1-foot), natural color orthoimages covering the urban area footpr...

37. Wooded Areas: Allegheny County, Pennsylvania

2011. Allegheny County Division of Computer Services Geographic Information Systems Group. Stands of trees (coniferous and deciduous) too numerous to plot as individual trees. The area is delineated following a generalized line along the ...