Search Constraints
You searched for:
Author
Allegheny County Division of Computer Services Geographic Information Systems Group
Remove constraint Author: Allegheny County Division of Computer Services Geographic Information Systems Group
Subject
Inland Waters
Remove constraint Subject: Inland Waters
Subject
Hydrology
Remove constraint Subject: Hydrology
Data type
Vector
Remove constraint Data type: Vector
Year
2000
Remove constraint Year: 2000
1 entry found
Search Results
1. Watersheds: Allegheny County, Pennsylvania
2000. Allegheny County Division of Computer Services Geographic Information Systems Group. Polygons marking borders of watersheds in Allegheny county.