Buried Treasures No. 1: The Franklin Sugar Refinery
Schuylkill River Harbor Police Report, 1884
Half a Century of Clean Water: The Clean Water Act, 1972-2022
Newspaper clippings and other historical documents pertaining to the drafting and passage of the laws governing Philadelphia's water supply, including the establishment of reservoirs, the evolution and details of the water treatment process, and various other subjects of litigation.