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 Data type Vector Remove constraint Data type: Vector
Number of results to display per page

Search Results

1. 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...

2. 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...

3. Watersheds: Allegheny County, Pennsylvania

2000. Allegheny County Division of Computer Services Geographic Information Systems Group. Polygons marking borders of watersheds in Allegheny county.