Watersheds Delaware River Watershed

Coal Depot, Richmond, on the Delaware (Picturesque America)

Plan of Philadelphia, John Hills, May 30, 1796

Plan of Philadelphia, John Hills, 1796

Kensington Water Supply in 1883

Black-and-white image showing sewer outlet, retaining walls and body of water

Cohocksink Sewer System outlet at Laurel Street

Map of the County of Philadelphia from Actual Survey, 1843

Penn's Treaty with the Lenape

Penn’s Treaty with the Indians (Watson’s Annals)

Pegg's Run

Pegg’s Run, Northern Liberties (Watson’s Annals)

Swimmers at Pier 126, Delaware River July 15, 1918

Swimmers at Pier 126, Delaware River, July 15, 1918