Joanna Furnace is a historic remnant of Burks County early iron industry. The furnace was built in 1791 by: Samuel Potts, Thomas Bull, Thomas May, and Thomas Rutter III. The Hay Creek Historical Organization has done a wonderful job restoring the site.
For more inf. and some great photos see:
[url]http://www.oldindustry.org/PA_HTML/Pa_Joanna.html[/url]