State Street pipeline construction, 1904
Belmont Filters construction, 1903
Finished Upper Roxborough filters, 1903
Upper Roxborough filter beds under construction, July 1902
A.C. Abbott, MD
Portrait of Samuel H. Ashbridge, Mayor
State Sen. James P. McNichol
Rudolph Hering
Philadelphia Water Department chief engineer John Trautwine Jr., 1890s
Outhouse over the Schuylkill near Pottstown