


Plan and profile of proposed Delaware Seventh St. Sewer, 1850

Second Bank of Pennsylvania, South Second Street, Philadelphia

Wooden Water Pipe, removed from Market Street, December 6, 1901

Delaware River at Arch Street from the New Jersey side, 1914

Drawing Dock Creek (2008)

Hudson’s Square – A Place Through Time, Archeological Data Recovery on Block 2 of Independence Mall

Preparation for War to Defend Commerce

The Water Works in Centre Square, Philadelphia

Bank of Pennsylvania, South Second Street, Philadelphia

Pennsylvania Hospital in Pine Street
