Item Types Image

Lemon Hill and Sedgley Park, Graff Jr., 1851 (Graff05.21)

Plan of Lemon Hill and Sedgley Park, Fairmount and Adjoining Property, 1851

New Plan of Philadelphia, John A. Paxton, 1811

Penn's Treaty with the Lenape

Penn’s Treaty with the Indians (Watson’s Annals)

Pegg's Run

Pegg’s Run, Northern Liberties (Watson’s Annals)

Benezet House Clarke Hall Chestnut St. Bridge

Benezet House, Clarke’s Hall, and Chestnut St. Bridge (Watson’s Annals)

Dock Creek Watson's Annals

Drawbridge and Dock Creek, Watson’s Annals

Wissahickon at Sunset

Wissahickon at Sunset

City officials tour new interceptor sewer, 1953

Swimmers at Pier 126, Delaware River July 15, 1918

Swimmers at Pier 126, Delaware River, July 15, 1918

Devereaux Street Sewer on the cover of Philadelphia magazine, 1911

Devereaux Street Sewer, Philadelphia magazine, 1911

Photo of a work crew constructing a sewer in Rock Run, Tacony Creek, Philadelphia

Sewer construction, Rock Run, 1922

Two bottles of water from a river, one dark with pollution and one clear after filtration

Water Before and After Roxborough