Queen Lane Pumping Station, proposed design
Centre Square Water Works, Drawings of Intake Basin
Centre Square Water Works, Frederick Graff, Sr. Plans, 1799
Centre Square Water Works, Latrobe Plans, 1799
Centre Square Engine House, ca. 1807
Bridge Street Draw, southeast corner property, June 12, 1896
Northern Liberties and Spring Garden Water Works
Fairmount Water Works, about 1860
