Mill Creek Sewer under construction, 1883
The Water Works in Centre Square, Philadelphia
Torresdale Conduit work gang, 12/18/1906
Bureau of Water, Cumberland, west of 13th Street, pipe line, 1907
Oak Lane Reservoir pipeline, 1904
State Street pipeline construction, 1904
Finished Upper Roxborough filters, 1903
Upper Roxborough filter beds under construction, July 1902
Engine House of the Belmont Works
Electric Pump Installations at Lardner’s Point Pumping Station
