 
		 
		 
		Water Department Newsletters, 1959-1997
 
		Water Bureau Newspaper Scrapbook, 1942-1952
 
		Old News: Two unusual underground rescues
 
		Plans and maps of the Pennypack Creek Watershed in Philadelphia
 
		Frankford Creek Watershed Historical Timeline
 
		Drawing Dock Creek
 
		Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
 
		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
