Watersheds Delaware River Watershed

Kensington Water Supply in 1883

The Water Supply Problem of Philadelphia, 1899

Black-and-white line graph showing two jagged lines on a grid

Diagram Showing Decreased Amount of Dissolved Oxygen in Delaware River, 1913

Water, Water Everywhere – Philadelphia Record, 1937-03-14

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

Henry Disston's Keystone Saw Works was located along the Delaware riverfront in Tacony. The black-and-white lithograph shows the factory's many smokestacks emitting smoke into the atmosphere.

Keystone Saw Works