Mill Creek Sewer under construction, 1883
Bridge Street Draw, Cofferdam, ca 1896 [Detail]
Bridge Street Draw, looking north, ca. 1896
Bridge Street Draw, Cofferdam, ca. 1896
Bureau of Water, Cumberland, west of 13th Street, pipe line, 1907
Upper Roxborough filter beds under construction, July 1902
Devereaux Street Sewer, Philadelphia magazine, 1911
Sewer construction, Rock Run, 1922