Joanna Furnace Complex - Credit: Wikimedia Commons
The Joanna Furnace Complex was an iron furnace that operated from to in Robeson Township, Berks County, Pennsylvania. It was founded by Samuel Potts and Thomas Rutter III (grandson of Thomas Rutter) and named for Potts's wife Joanna.Charles Jacob, 1979, [ NRHP Nomination Form for Joanna Furnace Complex] Enter "public" for ID and "public" for password to access the site. Read more on Wikipedia
Source: en.wikipedia.org