


Wingohocking Sewer across Penn St.

Sewer systems, City of Philadelphia, 1927 and 1929

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

Down Under, Part 2: Beaver Creek as it appears today

Wooden Pipes in Philadelphia

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
