Floor of Filter No. 47
Flue
Aspinwall Pumping Station
City Waterworks Reservoir
Filtration Plant Progress
Aspinwall Pumping Station Entrance
Flooded Cofferdam
Excavation Begun
Aspinwall Pumping Station Chimney
Excavation for Addition
Aspinwall Pumping Station
Excavation Progress
Brilliant Pumping Station
Main Flue
Chimney No. 4 and Concrete Base
Filter No. 55
Basin Work
Filtered Water Reservoir
Aspinwall Pumping Station
General View of Work
Cofferdam
Agnew and Lincoln
Aspinwall Pumping Station
Interior of Twin Conduit
Aspinwall Pumping Station
Administration Building
Administration Building Machinery Room
Frame Baffle