Joe Cerrone, Inspector, Industrial Waste Unit, PWD, enters storm drain to search for source of oil spill, 1989
Sewer worker Anthony Holston enters sewer, 1990
Manholes like this give access to city’s sewer system, 1961
Sewer Inspections: Vintage Images
Thomas Run sewer outlet at Cobbs Creek
Wood truss drawbridge, Orthodox Street over Frankford Creek, 1899 [Detail]
Wood truss drawbridge, Orthodox Street over Frankford Creek, rebuilt 1899
Bridge Street Draw, view through bridge, July 26, 1897
Bridge Street Draw, draw partly open, July 26, 1897
Bridge Street Draw with draw open, July 26, 1897