Plate XXXVIII, Figure 4 from "Ancient Monuments of the Mississippi Valley", published 1848. Depicts the ancient earthworks near Oak Ridge, Louisiana in <a href="https://en.wikipedia.org/wiki/Morehouse_Parish,_Louisiana" class="extiw" title="en:Morehouse Parish, Louisiana">Morehouse Parish, Louisiana</a>.<sup id="cite_ref-E._G._Squier_and_E._H._Davis_1848_1-0" class="reference"><a href="#cite_note-E._G._Squier_and_E._H._Davis_1848-1">[1]</a></sup>
E. G. Squier and E. H. Davis
2011-10-21
Ancient Monuments of the Mississippi Valley