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Science 19 September 1997:
Vol. 277. no. 5333, pp. 1761 - 1762
DOI: 10.1126/science.277.5333.1761
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Research News

ARCHAEOLOGY:
Oldest Mound Complex Found at Louisiana Site

Heather Pringle

Most archaeologists believed that the first large mound complex was built 3500 years ago at Poverty Point, Louisiana. But on page 1796, a multidisciplinary team reports an analysis of another Louisiana site that has extended the tradition of mound-building back by nearly 2000 years--and opened a new perspective on the cultures of ancient North America.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)