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Retaining Walls: Allegheny County, Pennsylvania

Author(s):
Description:
The Retaining Wall Feature Dataset contains photogrammetrically compiled Retaining Walls - structures of concrete, brick, stone, wood, etc. retaining earth and adjacent to a road, railroad, edge or stream that are over five (5) feet high and 200 feet long.
Collection:
Pennsylvania Spatial Data Access (PASDA)
Place(s):
Allegheny County, Pennsylvania, United States and Pennsylvania, United States
Subject(s):
Transportation and Structure
Year:
2006
Held by:
Penn State
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