Subjects Natural Environment

The pipe beneath the rocky path

Map Lovers’ Monday: New Jersey 1869

Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913

Map Lover’s Monday: Fairmount Park, 1869

Thomas Mill Covered Bridge on the Wissahickon

Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)

Plans and maps of the Pennypack Creek Watershed in Philadelphia

Mount Moriah Historic Cemetery and Arboretum

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

Frankford Creek Watershed Historical Timeline

Color image of a grassy field with trees and buildings surrounding it and white lines drawn on the grass mimicking the path of a creek.

Drawing Dock Creek

Cobbs Creek in the Days of the Old Powder Mill

Requiem for a stream: Adams Run in Oak Lane