Frankford Creek Watershed Historical Timeline
Frankford Creek Watershed in the context of the development of Philadelphia’s sewers and sewage treatment system
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
Delaware River Harbor Police Report, 1884
Congress Hall and New Theatre in Chestnut Street, Philadelphia
Library and Surgeon’s Hall in Fifth Street, Philadelphia, 1800
Bank of the United States, in Third Street, Philadelphia
