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Author
City of Philadelphia Water Department - Information Systems Technology
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Subject
Elevation
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Subject
Inland Waters
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Collection
Pennsylvania Spatial Data Access (PASDA)
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1. Contours 10ft: Philadephia, Pennsylvania
2004. City of Philadelphia Water Department - Information Systems Technology. Planimetric Coverage containing the delineation of topographic contours at ten foot intervals. Annotation of Contour Line elevations exists. Annota...