Topics Streams & Rivers

Fairmount Water Works: The Surprising History of an American Landmark

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

Photograph of Roberts Mill on Wingohocking Creek in Germantown, built in the late 17th century. (Photograph by J. C. Browne, 1871. Castner Collection/Free Library of Philadelphia)

Roberts Mill, Wingohocking Creek, 1871