History of Water in Roxborough: A talk by Adam Levine
Queen Lane Pumping Station, proposed design
Queen Lane Water Works (1894)
Roxborough Works (1869)
Germantown Works (1851) and Mt. Airy Works (1882)
The Chestnut Hill Works (1859-1911)
Upper Roxborough filter beds under construction, July 1902
Water Before and After Roxborough