A Brief History of Water in Northwest Philadelphia
Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
Birch’s Views of Philadelphia, 1800
Two reports on the state of the Schuylkill River, 1867
Material, both historical and contemporary, that covers Philadelphia's pumping stations, which are mammoth structures that move tremendous quantities of water from place to place all around the region. Philadelphia has had nine (?) pumping stations throughout her history, beginning with the Fairmount Water Works; four are currently in operation.