Allegheny Avenue Sewer at Pier 126, 1918
Devereaux Street Sewer, Philadelphia magazine, 1911
Bingham Street Sewer, East of Tacony Creek, 1921
Privy Regulations
Privies, Emerald Street, 1919
Water Before and After Roxborough
Upper Roxborough Filter Bed Construction, 1902
Flashback Friday … the 13th!