Subjects Reservoir

A large natural or man-made lake used as a water supply.

Black-and-white image of an ornate white building on a riverbank with trees behind it

A new book, more than 40 years in the making, about an iconic Philadelphia building

Water Bureau Newspaper Scrapbook, 1942-1952

Annual reports and other documents relating to Philadelphia’s water supply system, 1796-1992

Birkinbine Schuylkill Hydrographical Survey 1861-66

Two reports on the state of the Schuylkill River, 1867

Upper Roxborough filter beds

Upper Roxborough filter beds under construction, July 1902