Plan and profile of proposed Delaware Seventh St. Sewer, 1850
Plan of Pine Street Sewer, 1830
Bridge Street Draw with draw open, July 26, 1897
Bridge Street Draw, intermediate pier, ca. 1896
Pipe Test, 1914
Allegheny Avenue Sewer at Pier 126, 1918
Devereaux Street Sewer, Philadelphia magazine, 1911
Sewer construction, Rock Run, 1922
Privy Regulations