![](https://waterhistoryphl.org/wp-content/uploads/FringeArts-facade.png?w=300)
![](https://waterhistoryphl.org/wp-content/uploads/FringeArts-facade.png?w=300)
![Wingohocking Sewer across Penn St.](https://waterhistoryphl.org/wp-content/uploads/17B-826_SewerDrawings_1-scaled.jpg?w=300)
Wingohocking Sewer across Penn St.
![Mill Creek Sewer under construction. Several men standing beside a giant partially constructed sewer pipe.](https://waterhistoryphl.org/wp-content/uploads/Mill-Creek-Sewer_20040920079_300dpi.jpg?w=300)
Mill Creek Sewer under construction, 1883
![](https://waterhistoryphl.org/wp-content/uploads/Birch_19.jpg?w=300)
State House Garden, Philadelphia, 1800
![](https://waterhistoryphl.org/wp-content/uploads/Birch_03.jpg?w=300)
The City and Port of Philadelphia on the River Delaware from Kensington, 1800
![Pennypack Park and Creek map, Roland Williams, 2005](https://waterhistoryphl.org/wp-content/uploads/2005_PennypackPark_RolandWilliams.jpg?w=300)
Pennypack Park and Creek map, Roland Williams, 2005
By a draft of Foxhall & Morris purchase : [Philadelphia] April 1, 1802
Philadelphia the Manufacturing and Industrial Capital map, 1906
![Did Penn Sell Town Lots Under Water?](https://waterhistoryphl.org/wp-content/uploads/2004.021.0050.jpg?w=300)
“Did Penn Sell Town Lots Under Water?”
![Birkinbine Schuylkill Hydrographical Survey 1861-66](https://waterhistoryphl.org/wp-content/uploads/2008.001.0053_Hydrographical-Schuylkill-1866-2-reduced.jpg?w=300)
Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine
![Fairmount, bird's eye view from Lemon Hill (detail)](https://waterhistoryphl.org/wp-content/uploads/2016.002.0071-scaled.jpg?w=300)
Fairmount Park, bird’s eye view from Lemon Hill, detail
![Bird's eye view of Delaware River](https://waterhistoryphl.org/wp-content/uploads/2016.002.0048.jpg?w=300)