Still photo from a video sewer inspection, 2000
Plan and profile of proposed Delaware Seventh St. Sewer, 1850
Plan of Pine Street Sewer, 1830
Mill Creek Sewer under construction, 1883
Norman Lofton inspects sewer at Ditman and Sheffield, 1987
Thomas Run sewer outlet at Cobbs Creek
Thomas Run sewer outlet during construction
Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia
Captain Sewer and Michael Nutter, 1998
30th Street Sewer