Allegheny River Evaluation
View of a graph of silica turbidities and total irons of Allegheny River water at the Ross Pumping Station in 1914.
March 26th, 17
Ross Pumping Station
Pittsburgh City Photographer Collection
Pittsburgh City Photographer Collection, 1901-2002, AIS.1971.05, Archives Service Center, University of Pittsburgh
Public Domain - Anybody may use this photo for any purpose
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Copyright 2015 Dane Pieri