 
		 
		 
		The pipe beneath the rocky path
 
		Map Lovers’ Monday: Philadelphia in 1897, with color added
 
		Water Bureau Newspaper Scrapbook, 1942-1952
 
		History of Water in Roxborough: A talk by Adam Levine
 
		Cresheim Aqueduct
 
		Last gasp of the Schuylkill Interceptor, December 20, 1956
 
		You would not have wanted to drink it: Philadelphia’s water supply in 1884
 
		Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010
 
		Requiem for a stream: A brief history of Dobson’s Run
 
		Down Under, Part 2: Beaver Creek as it appears today
