State of the Schuylkill River in 1876: Sewage pollution and possible remedies
Down Under!
The Sad History of Frankford Creek
Two reports on the state of the Schuylkill River, 1867
Streams, islands, and ferries of early Philadelphia
Schuylkill Navigation Company Scrapbook
Dauphin and Sydenham car crash, Jan. 17, 1978
Half a Century of Clean Water: The Clean Water Act, 1972-2022
19th century life in South Philadelphia’s marshland
Thomas Run sewer outlet at Cobbs Creek