 
		 
		 
		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
 
		A Tour of Philadelphia’s Delaware River Waterfront in 1876
 
		The Manayunk Expressway
 
		Sewers, Pollution, and Public Health in 19th Century Philadelphia
 
		CITIZENS’ BUSINESS: 1939-1946
 
		Petition of manufacturers along the Schuylkill River in Philadelphia for a new upstream water supply, 1868
 
		The Worry of the Wires
 
		Visions of the Schuylkill, 1884 and Now
 
		Dealing with the city’s wastes in the mid-19th century
