Item Types Image

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

Scenes on the Wissahickon

Scenes on the Wissahickon Creek (Picturesque America)

Wissahickon near Paper Mill Bridge, 1873

Wissahickon Creek near the Paper Mill Bridge (Picturesque America)

Drive Along the Wissahickon

Drive along the Wissahickon Creek Vallley (Picturesque America)

Upper Roxborough filter beds

Upper Roxborough filter beds under construction, July 1902

Two bottles of water from a river, one dark with pollution and one clear after filtration

Water Before and After Roxborough