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Allegheny County Division of Computer Services Geographic Information Systems Group
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Environment
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Penn State
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1. Basins: Allegheny County, Pennsylvania
2002. Allegheny County Division of Computer Services Geographic Information Systems Group. 3 Rivers Wet Weather Demonstration Program Outreach Planning Basins.
2. 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...
3. 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 ...
4. 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 ...