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Maps pertaining to surface water (historically and currently) in Philadelphia, and the city's water supply and sewerage systems. The site also provides links to many scanned, old atlases, topographical maps, etc. for Philadelphia (including some complete atlas volumes), nearby communities, and counties in southeastern Pennsylvania.
tagged creek delaware_valley philadelphia philadelphia_area river sewerage sewers stream street topographical water water_supply
by edeegan
...on 20-APR-09
Aerial photography of Philadelphia, the Delaware Valley, and the Mid-Atlantic region produced by the Dallin areial Survey Co., 1924-1941.
Accessible via the Hagley Museum & Library's Hagley Digital Archives.
tagged aerial early philadelphia philadelphia_area philadelphia_region photography photos pnotographs pre-1950
by edeegan
...on 20-APR-09