Helical Gear
Construction Progress
Basin No. 1
Aspinwall Pumping Station
Aspinwall Pumping Station
Allegheny River Conditions
Concreting Piers
Aspinwall Pumping Station
Fatal Accident in Aspinwall Pumping Station
Fatal Accident in Aspinwall Pumping Station
1424 Lincoln Avenue
Basin Work
Cofferdam After Flood
Cofferdam After Flood
Aspinwall Pumping Station
Cofferdam During Flood
Administration Building
Administration Building
Construction Progress
Aspinwall Pumping Station
Aspinwall Pumping Station
Allegheny River looking southwest
Administration Building Gate Room
Deary Street and Park Avenue
Basin No. 2
E. Keeler Company
Leech Farm
Aspinwall Pumping Station Exterior