Bridge Street, intermediate pier, ca. 1896 [Detail]
Bridge Street Draw, intermediate pier, ca. 1896 [detail]
Bridge Street Draw, intermediate pier, ca. 1896
Bridge Street Draw, Cofferdam, ca 1896 [Detail]
Bridge Street Draw, looking north, ca. 1896
Bridge Street Draw. Southwest side of bridge. April 19, 1896. [Detail].
Upper Roxborough filter beds under construction, July 1902
City officials tour new interceptor sewer, 1953
Devereaux Street Sewer, Philadelphia magazine, 1911
Sewer construction, Rock Run, 1922