Sewers, Pollution, and Public Health in 19th Century Philadelphia
Dock Creek Sewer in 1849: A report on its condition made to City Councils
CITIZENS’ BUSINESS: 1939-1946
High Water: Flooding in Philadelphia
Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868
Centre Square Water System
Centre Square Water Works, Drawings of Intake Basin
From Creek To Sewer
Manayunk and the Schuylkill Navigation
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
