The Manayunk Expressway
Dock Creek Sewer in 1849: A report on its condition made to City Councils
CITIZENS’ BUSINESS: 1939-1946
Cobbs Creek: A Brief Historical Overview by Adam Levine
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
Queen Lane Water Works (1894)
Torresdale Water Works (1907)