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21. Gap Analysis Program, Mammal Habitat Models -90Meter: Pennsylvania

2000. Wayne L. Myers, Joseph A. Bishop. These layers represent potential habitat models for mammal species in Pennsylvania. The model associates occurrence of suitable habitat with key en...

22. Geologic map - Topographic Change in Philadelphia, During the Last Century

2000. United States Geological Survey. A scope of work was developed in response to a request by the U. S. Army Corps of Engineers, Philadelphia District. The request was to perform a to...

23. Index: Allegheny County, Pennsylvania

2000. 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 ...

24. Municipal Legislative Boundaries: Philadephia, Pennsylvania

2000. City Planning Commission (PCPC) Department - GIS Division. District boundaries of municipal legislators within the city of Philadelphia.

25. National Flood Hazard Layer: Pike County, Pennsylvania

2000. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...

26. Neshaminy Creek watershed conservation plan: Pennsylvania

2000. Heritage Conservancy. Watershed conservation plan for the Neshaminy Creek. Contains multiple datasets including park boundaries, cultural places, floodplains, hydrology,...

27. NHI (Natural Heritage Inventory): Allegheny County, Pennsylvania

2000. Allegheny County - Western Pennsylvania Conservancy. The Allegheny County Natural Heritage Inventory identifies and maps Allegheny County's most significant natural areas. The NHI study (Natural Herit...

28. NWI (National Wetlands Inventory): Allegheny County, Pennsylvania

2000. Allegheny County Division of Computer Services Geographic Information Systems Group. NWI (National Wetlands Inventory) digital data files are records of wetlands location and classification as defined by the U.S. Fish & Wildlife Ser...

29. Parking: Allegheny County, Pennsylvania

2000. Allegheny County Division of Computer Services Geographic Information Systems Group. Paved and unpaved parking lots that accommodate more than ten (10) cars.

30. Parks: Allegheny County, Pennsylvania

2000. Allegheny County Division of Computer Services Geographic Information Systems Group. Was derived from the data included in original file CULTUREF. Delineates the area following a generalized line along the outside edge of all parks ...