Items

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

Thomas Mill Covered Bridge on the Wissahickon

Thomas Mill Covered Bridge over Wissahickon Creek (Picturesque America)

Map of the County of Philadelphia from Actual Survey, 1839 (la000784a)

Map of the County of Philadelphia from Actual Survey, 1843

Upper Roxborough filter beds

Upper Roxborough filter beds under construction, July 1902