 
		 
		 
		Mill Creek Sewer under construction, 1883
 
		Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine
 
		Fairmount Park, bird’s eye view from Lemon Hill, detail
 
		Race Bridge, Fairmount Water Works, 1834
View of Fairmount Water Works, ca. 1827
