Time Periods 1920-1930

Visionary planning report for Philadelphia region, 1928

Pumping stations after Philadelphia's incorporation, 1854

Main Pumping Stations for Philadelphia Drinking Water

Map of Philadelphia showing Population in year 1920

Map of Philadelphia showing Population in year 1920

Man standing in front of Bingham Street Sewer, 1921

Bingham Street Sewer, East of Tacony Creek, 1921