 
		 
		 
		Water Bureau Newspaper Scrapbook, 1942-1952
 
		Annual reports and other documents relating to Philadelphia’s water supply system, 1796-1992
 
		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
