The remaining stone structure of the blast furnace at <a href="https://en.wikipedia.org/wiki/en:Janney_Furnace_Park" class="extiw" title="w:en:Janney Furnace Park">Janney Furnace Park</a> in <a href="https://en.wikipedia.org/wiki/en:Ohatchee,_Alabama" class="extiw" title="w:en:Ohatchee, Alabama">Ohatchee, Alabama</a>.
<a href="//commons.wikimedia.org/wiki/User:Dofftoubab" title="User:Dofftoubab">dofftoubab</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>