Topics Infrastructure

Philadelphia harbor and rivers chart with points of interest

Map of Philadelphia Harbor, Delaware and Schuylkill, 1912

Colored ink drawing showing drainage areas and sewer inlets in Philaelphia in the early 19th century

Drainage area plan, early 19th century

Fairmount Park topographical map, showing East Park Reservoir, 1872

Plan of Philadelphia, John Hills, May 30, 1796

Plan of Philadelphia, John Hills, 1796

International Exhibition situation plan, 1876

Centennial Exhibition situation plan, 1876

1914 map showing the plan for the collection and treatment of sewage in Philadelphia.

Plan for the Collection, Treatment and Disposal of Sewage, 1914