Aspinwall Pumping Station
Aspinwall Pumping Station
Aspinwall Pumping Station
Aspinwall Pumping Station
Chimney
Allegheny River Conditions
Aspinwall Pumping Station
Aspinwall Pumping Station
Gravel Separating Plant
Aspinwall Pumping Station
Excavation of Gallery No. 1
Concrete Mixer
Aspinwall Pumping Station
Filtration Plant Progress
Basin No. 1
Filtration Plant Progress
Brilliant Pumping Station
East from Central Mixer
Aspinwall Pumping Station Exterior
Machinery Under Erection
Irregular Floor Blocks
Lemington Avenue
City Waterworks Reservoir
Flooded Cofferdam
Allegheny River Bank
Aspinwall Pumping Station
Freeport Road
Flooded Cofferdam