The Water and Drainage History of Philadelphia, Part 5
The Water and Drainage History of Philadelphia, Part 4
The Water and Drainage History of Philadelphia, Part 3
The Water and Drainage History of Philadelphia, Part 2
Watersheds: Learning to care for and protect our local water resources
Fairmount Gardens with the Schuylkill Bridge, 1839
Vue du Bosquet des trois Fontaines, 1689-91
A Day in the Ma’sh – Rail-Shooting
Frankford Creek Overflows, 11/1/32
State House Garden, Philadelphia, 1800