A map showing <a href="https://en.wikipedia.org/wiki/Mississippian_culture" class="extiw" title="en:Mississippian culture">en:Mississippian culture</a> mound sites on the Lower <a href="https://en.wikipedia.org/wiki/Ohio_River" class="extiw" title="en:Ohio River">en:Ohio River</a>
<a href="//commons.wikimedia.org/wiki/User:Heironymous_Rowe" title="User:Heironymous Rowe">Herb Roe</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>