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