 
		 
		 
		The pipe beneath the rocky path
 
		Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
 
		Sandy Run Watershed and the Holmesburg Water Works
 
		Drainage area plan, early 19th century
 
		Last gasp of the Schuylkill Interceptor, December 20, 1956
 
		You would not have wanted to drink it: Philadelphia’s water supply in 1884
 
		Plans and maps of the Pennypack Creek Watershed in Philadelphia
 
		Wingohocking Sewer across Penn St.
 
		Philadelphia’s Sewer Problem
 
		History of Belfield (1934)
