


Old News: Two unusual underground rescues

History of Belfield (1934)

Frankford Creek Watershed Historical Timeline

Drawing Dock Creek

MEET YOUR ENEMY: THE RAT

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

Board of Health Newspaper Clipping Scrapbooks at City Archives of Philadelphia, 1891-1908

Sewers, Pollution, and Public Health in 19th Century Philadelphia

CITIZENS’ BUSINESS: 1939-1946
