Items

Historic resources from our archives - images, maps, documents, and more.

Bird's eye color view of reservoirs, green areas of foliage, pink roads and blue water, with a dam prominent

Fairmount and vicinity, 1839

Belmont Works Engine House

Engine House of the Belmont Works

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

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

Spring Garden Sewage Experiment Station, used to test water filtration methods

Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911