Neighborhoods Northwest Philadelphia

Houses on an abutment, from The Waffle

The Waffle: Water History Video 6

Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010

Dobson FLP

Requiem for a stream: A brief history of Dobson’s Run

Requiem for a stream: Still House Run in Manayunk

Technical drawing showing streets and sewers

Leverington Avenue Stormwater Sewer

Manayunk and the Schuylkill Navigation

Wheeled robotic sewer crawler in sewer pipe

Still photo from a video sewer inspection, 2000