Aspinwall Pumping Station
City Waterworks Reservoir
Grotto Street
Main Flue
Bracing
Aspinwall Pumping Station
Filtration Plant Progress
Aspinwall Pumping Station
Aspinwall Pumping Station
Hospital Grounds
Brilliant Pumping Station
Interior of Twin Conduit
Aspinwall Pumping Station
Filter No. 55
Allegheny Crossing
Frankford Street Boardwalk
Flood Conditions
City Waterworks Reservoir
Allegheny River looking southwest
Gate Entrance at Northern Drive
Cofferdam
Grading Around House and Stable
Boilers
Aspinwall Pumping Station
36" Blow Off
Concrete Mixer
Cofferdam
Gravel Separating Plant