Fairmount Water Works and the Schuylkill River, 1838
Half a Century of Clean Water: The Clean Water Act, 1972-2022
19th century life in South Philadelphia’s marshland
Dobson’s Mill, 1884, from History of Philadelphia by Scharf & Wescott
A Day in the Ma’sh – Still Useful
A Day in the Ma’sh – Low Tide
A Day in the Ma’sh – At CLXIV Canal Boat St.
A Day in the Ma’sh – A Pusher
A Day in the Ma’sh – Rail-Shooting
Plan of the City of Philadelphia and Adjoining Districts, 1830