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May 2000 — Geology study done by consultants; ice age soil confirmed for pre-Clovis artifacts.

May 2001 — Geologists revisit Topper and obtain ancient plant remains deep down in the Pleistocene terrace.

He wrote and published articles about sites and artifacts from that region for The Florida Anthropologist in the late 1960s.

The conference will include a day trip to Topper, which is sure to dominate discussions and presentations at the international gathering. Al Goodyear and his team dig up to a meter below the Clovis level and encounter unusual stone tools up to two meters below surface.

May 1999 — Team of outside geologists led by Mike Waters, a researcher at Texas A&M, visit Topper site and propose a thorough geological study of locality.

November 2004 — Radiocarbon dating report indicates that artifacts excavated from Pleistocene terrace in May were recovered from soil that dates some 50,000 years. GOODYEAR III University of South Carolina archaeologist Albert C.

The dates imply an even earlier arrival for humans in this hemisphere than previously believed, well before the last ice age. Goodyear joined the South Carolina Institute of Archaeology and Anthropology in1974 and has been associated with the Research Division since 1976.

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