Pipeline being laid in Wissahickon Avenue
Mill Creek Sewer under construction, 1883
Southeast Corner of Third and Market, Philadelphia
Norman Lofton inspects sewer at Ditman and Sheffield, 1987
Sewer crawler Clarence Baskerville checks tunnel for leaks. He has faced the dangers of working in sewers for past three years, 1971
Inspector looking for problems in sewer
General view of sewer looking up manhole as other Water Dept. personnel look down.
Sewer crawler Tom Cross, heading down the manhole at 26th and Grays Ferry, 1982
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