Watersheds Schuylkill River Watershed

Map Lovers’ Monday: Topography of Philadelphia from 1863

Map Lover’s Monday: Fairmount Park, 1869

Aqueduct carrying sewer over Creishem Creek, in the Wissahickon Valley, 1892

Cresheim Aqueduct

The Schuylkill and Wissahickon banks in 1858

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

Streams, islands, and ferries of early Philadelphia