Basin No. 1
Basin No. 3
Cofferdam After Flood
Excavation
Aspinwall Pumping Station
Aspinwall Pumping Station
1424 Lincoln Avenue
Flood Conditions
Aspinwall Pumping Station
Brilliant Pumping Station
Chimney Base
Aspinwall Pumping Station
Allegheny River Conditions
Chimney No. 4 and Concrete Base
Excavation Begun
Basin No. 3
Deary Street and Park Avenue
Aspinwall Pumping Station
East from Central Mixer
Brilliant Pumping Station
Aspinwall Pumping Station
Aspinwall Pumping Station
Aspinwall Pumping Station
Brilliant Pumping Station
Machinery Under Erection
Basin No. 3
Aspinwall Pumping Station
Man on Freeport Road