![](https://waterhistoryphl.org/wp-content/uploads/Discovery-center-RCP-181214-6903.jpg?w=300)
![](https://waterhistoryphl.org/wp-content/uploads/Discovery-center-RCP-181214-6903.jpg?w=300)
![](https://waterhistoryphl.org/wp-content/uploads/Frank-EcologyCenterCity-image.jpg?w=300)
The ecology of Center City, Philadelphia (in case you didn’t know there was any)
![This Philadelphia street scene, with dogs facing off with pigs for a pile of tasty garbage, was captured by artist Augustus Kollner in 1844, but would have been very familiar to 18th-century Philadelphians.](https://waterhistoryphl.org/wp-content/uploads/DogvsPig_20050150129_700w.jpg?w=300)
“Town street scavengers from life,” Kollner, 1844
![](https://waterhistoryphl.org/wp-content/uploads/Birch_03.jpg?w=300)
The City and Port of Philadelphia on the River Delaware from Kensington, 1800
![Pegg's Run](https://waterhistoryphl.org/wp-content/uploads/PeggsRun_WAnnals_p436v1_AEL.jpg?w=300)
Pegg’s Run, Northern Liberties (Watson’s Annals)
![Dock Creek Watson's Annals](https://waterhistoryphl.org/wp-content/uploads/DockCreek_WAnnals_p336v1_AEL.jpg?w=300)