Sewer crawler Clarence Baskerville checks tunnel for leaks. He has faced the dangers of working in sewers for past three years, 1971
Norman Lofton inspects sewer at Ditman and Sheffield, 1987
Inspector looking for problems in sewer
Sewer crawler Tom Cross, heading down the manhole at 26th and Grays Ferry, 1982
General view of sewer looking up manhole as other Water Dept. personnel look down.
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