Bridge Street Draw, April 19, 1896. [Detail of men]
Bridge Street Draw. View of old draw removed, looking north. April 19, 1896. [Detail]
Bridge Street Draw. General view of old draw, ca 1896
Preparation for War to Defend Commerce
The Water Works in Centre Square, Philadelphia
Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia
30th Street Sewer
Torresdale Conduit work gang, 12/18/1906
Bureau of Water, Cumberland, west of 13th Street, pipe line, 1907
Oak Lane Reservoir pipeline, 1904
