Ground Plan, Great Central Sanitary Fair, Philadelphia
2,000 Turn Out for ‘Be-In’ To Promote ‘Flower Power’
Fairmount Water Works from the forebay, 1833
Fairmount Water Works and the Schuylkill River, 1838
Fourth of July, Centre Square, ca. 1812
Wooden Water Pipe, removed from Market Street, December 6, 1901
Southeast Corner of Third and Market, Philadelphia
Images from “A Day in the Ma’sh” by Maurice F. Egan, Scribner’s Monthly, July 1881
Logan Demanding Flood Relief, 8/18/38
Sewer Demand Taken to City Hall, 7/25/32