These earthworks, together with a buried, mound-like feature with unique soil properties unlike any of the known earthworks at the site, demonstrate that the Plaza at Poverty Point has a more elaborate construction history than we knew. Diana.
Poverty Point World Heritage Site is slowly revealing her secrets. Diana Greenlee, Ph.D., station archaeologist at the ancient monumental earthworks and adjunct professor at the University of Louisiana Monroe, said recent archaeological research shows the site is “much more complex than previously realized.”