Some of the soil cores taken from Mound A of Poverty Point.

     Researchers have taken samples of earth from each of the site's mounds, including Mound A. From these samples, they learned that people made the peak of Mound A with dirt taken from just below the surface of Macon Ridge.


     The platform section of this mound is unusual. Some archaeologists think that people built this section in less than 90 days! American Indians made it in a single episode, mixing different colored soils found around the

Photo of a soil profile from the platform section of Poverty Point's Mound A.



site. The result was a rich pattern of colors and textures. While there is no way to tell why people chose these soils, it is clear that they chose them with great care.

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