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11. Glacial Deposits of Northwestern Pennsylvania

2018. Allegheny College. Digitized regional surficial geology map for northwestern Pennsylvania. The complete citation for the paper map is: Map of the Glacial Deposits of ...

12. Greenways: Allegheny County, Pennsylvania

2010. Allegheny County Planning Division/Allegheny County GIS Department. The Greenways feature class consists of a complilation of the following data: agricultural easements, Allegheny Land Trust GREENPRINT, Conservation...

13. Hydrology Areas: Allegheny County, Pennsylvania

2016. Allegheny County Division of Computer Services Geographic Information Systems Group. Rivers, Lakes, Ponds, Reservoirs, Hidden Lakes, Reservoirs or Ponds: If greater than 25 feet and less than 30 feet wide, is captured as a double li...

14. Hydrology Lines: Allegheny County, Pennsylvania

2016. Allegheny County Division of Computer Services Geographic Information Systems Group. Rivers, Lakes, Ponds, Reservoirs, Hidden Lakes, Reservoirs or Ponds: If greater than 25 feet and less than 30 feet wide, is captured as a double li...

15. 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 ...

16. Library: Allegheny County, Pennsylvania

2002. Allegheny County Division of Computer Services Geographic Information Systems Group. Data was created to portray the Libraries in Allegheny County.

17. Municipal boundaries: Allegheny County, Pennsylvania

2016. Allegheny County Division of Computer Services Geographic Information Systems Group. Data was created to portray the boundaries of the 130 Municipalities in Allegheny County the attribute table includes additional descriptive inform...

18. 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...

19. 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...

20. Parcels: Allegheny County, Pennsylvania

2018. Allegheny County Division of Computer Services Geographic Information Systems Group. Boundary outlines of individual properties in Allegheny County.