Fairmount Water Powered Water Works (1822)
Fairmount Steam Works (1815)
Delaware and Kensington Works (1851-1890)
Frankford Pumping Station (1877)
Twenty-fourth Ward (or West Philadelphia) Works, 1855
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
Centre Square Water Works, Latrobe Plans, 1799
The Centre Square Works, 1801
The Water Supply Problem of Philadelphia, 1899
Native American Heritage Day
