


Map Lovers’ Monday: Philadelphia Topography

Map Lovers’ Monday: Topography of Philadelphia from 1863

Sandy Run Watershed and the Holmesburg Water Works

Roberts Mill, Wingohocking Creek, 1871

Schuylkill River at Rockland Landing (Picturesque America)

Plans and maps of the Pennypack Creek Watershed in Philadelphia

Wingohocking Sewer across Penn St.

History of Belfield (1934)

Frankford Creek Watershed: A historical overview of the Philadelphia section

Report on channelization of Frankford Creek for flood control (1947)
