Color Diagram of Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia
“Philadelphie,” Bird’s Eye View, 1855
Bird’s eye view of Delaware River and Philadelphia, about 1840
Commencement of laying the main on the East side of the River, 1871
Henry Disston & Sons Keystone Saw Works
New Plan of Philadelphia, John A. Paxton, 1811
Penn’s Treaty with the Indians (Watson’s Annals)
Penn landing at Chester (Watson’s Annals)
Pegg’s Run, Northern Liberties (Watson’s Annals)
Penn Landing at Blue Anchor, from Watson’s Annals
