Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia
Swimmers at Pier 126, Delaware River, July 15, 1918
Allegheny Avenue Sewer at Pier 126, 1918
Including sewer pipes in all their sizes, and in all their uses, for stormwater and sanitary waste, combined and separate sewers, and intercepting sewers.