


The pipe beneath the rocky path

Map Lovers’ Monday: Topography of Philadelphia from 1863

Map Lover’s Monday: Fairmount Park, 1869

Scenes on the Wissahickon Creek (Picturesque America)

Wissahickon Creek near the Paper Mill Bridge (Picturesque America)

Drive along the Wissahickon Creek Vallley (Picturesque America)

Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)

Wissahickon Pipe Aqueduct, Roxborough to Mt. Airy, 1868
The Chestnut Hill Works (1859-1911)

Pipeline being laid in Wissahickon Avenue
