 
		 
		 
		Play Ball! Meet the 1960 PWD Softball Team
 
		Roberts Mill, Wingohocking Creek, 1871
 
		Cresheim Aqueduct
 
		Last gasp of the Schuylkill Interceptor, December 20, 1956
 
		Listening for leaks
 
		Southwest Sewage Treatment Plant under construction, 1949
 
		Photos from the Philadelphia Anglers’ Club
 
		Two Frankford Creek Bridges, 1896-1899
 
		Pipeline being laid in Wissahickon Avenue
 
		Pennsylvania Railroad Bridge at Manayunk, about 1895
