Rebirth of the Rivers: Water History Video 3
Pennypack Park Map
Plans and maps of the Pennypack Creek Watershed in Philadelphia
Models of Change
Mount Moriah Historic Cemetery and Arboretum
Early photographs of Fairmount and vicinity, 1848
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
Visions of the Schuylkill, 1884 and Now
Visionary planning report for Philadelphia region, 1928