Rebirth of the Rivers: Water History Video 3
Last gasp of the Schuylkill Interceptor, December 20, 1956
The Water Supply Problem of Philadelphia, 1899
Diagram Showing Decreased Amount of Dissolved Oxygen in Delaware River, 1913
Thomas Run sewer outlet at Cobbs Creek
Water, Water Everywhere – Philadelphia Record, 1937-03-14
A Day in the Ma’sh – Oil Refinery
Frankford Creek: Sad History of an Urban Stream title page
Outhouse over the Schuylkill near Pottstown
Pegg’s Run, Northern Liberties (Watson’s Annals)