Topics Landscape Changes

Still on the Map: Poquessing Creek and its Tributaries

The pipe beneath the rocky path

Houses on an abutment, from The Waffle

The Waffle: Water History Video 6

Ghosts of Water in Fairmount Park, Part 1, with Adam Levine

Map Lovers’ Monday: Philadelphia Topography

Map Lovers’ Monday: Topography of Philadelphia from 1863

Sandy Run Watershed and the Holmesburg Water Works

Birch’s Views of Philadelphia, 1800

Map Lover’s Monday: Fairmount Park, 1869

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

The Discovery Center: The creative reuse of an abandoned city reservoir

Plans and maps of the Pennypack Creek Watershed in Philadelphia