Publishers City Archives of Philadelphia

Black and white photo shows several workmen on a wooden structure

Bridge Street Draw, intermediate pier, ca. 1896

Six people and dozens of sandbags performing a load test on a concrete pipe, 1914

Pipe Test, 1914

Swimmers at Pier 126, Delaware River July 15, 1918

Swimmers at Pier 126, Delaware River, July 15, 1918

Photo of Allegheny Avenue Sewer, Pier 126, Delaware River, July 15, 1918

Allegheny Avenue Sewer at Pier 126, 1918

Photo of a work crew constructing a sewer in Rock Run, Tacony Creek, Philadelphia

Sewer construction, Rock Run, 1922