You would not have wanted to drink it: Philadelphia’s water supply in 1884
Wissahickon Pipe Aqueduct, Roxborough to Mt. Airy, 1868
Ghosts of Water in Fairmount Park, Part II, with Adam Levine
Plan of Philadelphia, John Hills, 1796
Queen Lane Pumping Station, proposed design
West Philadelphia (or 24th Ward) Water Works, 1855-1870
Early photographs of Fairmount and vicinity, 1848
Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
Newspaper Clipping Scrapbooks of Frederic Graff Jr.,Chief Engineer of the Philadelphia Water Department: Part 1, 1854-1857
Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871
