Philadelphia’s Sewer Problem
Diagram from sewage treatment plan for Philadelphia, 1912
Southwest Sewage Treatment Plant under construction, 1949
CITIZENS’ BUSINESS: 1939-1946
Three reports on Philadelphia’s Sewage Treatment Project, 1911-1914
Emscher Tank Installation at Essen Nord, Germany
Thomas Run sewer outlet at Cobbs Creek
Thomas Run sewer outlet during construction
Cohocksink Sewer System outlet at Laurel Street