Schuylkill steamship excursions ad, 1852
Race Bridge, Fairmount Water Works, 1834
The Shield passing the site of Philadelphia (Watson’s Annals)
Penn’s Treaty with the Indians (Watson’s Annals)
Penn Landing at Blue Anchor, from Watson’s Annals
Jar of raw sewage before treatment, 2000
Fishing in the Schuylkill
Northeast Sewage Plant opening, 1951
Swimmers at Pier 126, Delaware River, July 15, 1918
Allegheny Avenue Sewer at Pier 126, 1918