Watersheds Wissahickon Creek Watershed

Map Lovers’ Monday: The Ellet Map of Philadelphia County, 1843

A Brief History of Water in Northwest Philadelphia

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

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)

Black-and-white photograph depicts a large brick sewer tube lying on a barren landscape

Streams, islands, and ferries of early Philadelphia