Topics Landscape Changes

Still on the Map: Poquessing Creek and its Tributaries

Houses on an abutment, from The Waffle

The Waffle: Water History Video 6

Map Lovers’ Monday: Philadelphia Topography

Map Lovers’ Monday: Topography of Philadelphia from 1863

Sandy Run Watershed and the Holmesburg Water Works

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

Plans and maps of the Pennypack Creek Watershed in Philadelphia

Wingohocking Sewer across Penn St.

Wingohocking Sewer across Penn St.

The ecology of Center City, Philadelphia (in case you didn’t know there was any)

History of Belfield (1934)

Early photographs of Fairmount and vicinity, 1848

Early visions of Philadelphia’s airport