Aspinwall Pumping Station Tablet
Grotto Street
Landscape
Basin No. 1
Aspinwall Pumping Station
Fill on Vaulting
Basin No. 2
Cofferdam During Flood
Aspinwall Pumping Station
Big Curve
Allegheny River Evaluation
Administration Building
Allegheny River
Aspinwall Pumping Station
East from Incline