Old News: Two unusual underground rescues
Map of Philadelphia Harbor, Delaware and Schuylkill, 1912
Birch’s Views of Philadelphia, 1800
Drainage area plan, early 19th century
Schuylkill River from below the South Street Bridge, 1873
Chestnut Street Bridge, on the Schuylkill River (Picturesque America)
Schuylkill River from below the South Street Bridge, 1873
Plan of Philadelphia, John Hills, 1796
Drawing Dock Creek
The Manayunk Expressway
