Bureau of Water, Cumberland, west of 13th Street, pipe line, 1907
State Street pipeline construction, 1904
Belmont Filters construction, 1903
Finished Upper Roxborough filters, 1903
Upper Roxborough filter beds under construction, July 1902
Outhouse over the Schuylkill near Pottstown
Front St. and Market St., 1881
Fairmount Park, bird’s eye view from Lemon Hill, detail
Bird’s eye view of Delaware River and Philadelphia, about 1840
Commencement of laying the main on the East side of the River, 1871
