 
		 
		 
		Fairmount Park topographical map, showing East Park Reservoir, 1872
 
		Wissahickon Pipe Aqueduct, Roxborough to Mt. Airy, 1868
 
		Wingohocking Sewer across Penn St.
 
		Queen Lane Pumping Station, proposed design
 
		Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
 
		Pipeline being laid in Wissahickon Avenue
 
		Dauphin and Sydenham car crash, Jan. 17, 1978
 
		Still photo from a video sewer inspection, 2000
 
		Mill Creek Sewer under construction, 1883
 
		Wooden Water Pipe, removed from Market Street, December 6, 1901
