Bridge Street Draw. Southwest side of bridge. April 19, 1896. [Detail].
Bridge Street Draw, April 19, 1896. [Detail of men]
Bridge Street Draw. General view of old draw, ca 1896
The Water Works in Centre Square, Philadelphia
“Philadelphia Underground,” Jan. 29, 1961
Oak Lane Reservoir pipeline, 1904
Upper Roxborough filter beds under construction, July 1902
Electric Pump Installations at Lardner’s Point Pumping Station
Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912
Lancaster/Schuylkill Bridge (Upper Ferry Bridge)
