


Last gasp of the Schuylkill Interceptor, December 20, 1956

Wingohocking Sewer across Penn St.

Diagram from sewage treatment plan for Philadelphia, 1912

Southwest Sewage Treatment Plant under construction, 1949

Dauphin and Sydenham car crash, Jan. 17, 1978

Still photo from a video sewer inspection, 2000

Norman Lofton inspects sewer at Ditman and Sheffield, 1987

Emscher Tank Installation at Essen Nord, Germany

Drain water from sludges obtained from sedimentation, septic and Emscher tanks

Thomas Run sewer outlet at Cobbs Creek
