Publishers Philadelphia Water Department

Repurposing Old Infrastructure: Water History Video 5

Birkinbine Schuylkill Hydrographical Survey 1861-66

Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine

Fairmount, bird's eye view from Lemon Hill (detail)

Fairmount Park, bird’s eye view from Lemon Hill, detail

Bird's eye view of Delaware River

Bird’s eye view of Delaware River and Philadelphia, about 1840