Two views on the water supply, 1939
Map Lovers’ Monday: AQUA, in the beginning
Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
Map of Philadelphia Harbor, Delaware and Schuylkill, 1912
Schuylkill River from below the South Street Bridge, 1873
Schuylkill River from below the South Street Bridge, 1873
Girard Avenue Bridge, Fairmount Park, 1895
Bottled vs. Tap in 1906
Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871
