Watersheds Cobbs Creek Watershed

Map Lovers’ Monday: More is not necessarily better.

Mount Moriah Historic Cemetery and Arboretum

Hopkins Darby 1877 map

Darby, Delaware County, Pennsylvania, 1877

Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.

Cobbs Creek in the Days of the Old Powder Mill

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

Streams, islands, and ferries of early Philadelphia

Black-and-white image of a brick sewer outlet that drains into a creek with trees and a hill behind it

Thomas Run sewer outlet at Cobbs Creek

69th St. Sewer and Culvert across Lansdowne

69th St. Sewer and Culvert across Lansdowne AVe.