A Picture of the Amazon Before Columbus (1 of 6) (IMAGE)
Caption
Crystal McMichael and Monica Zimmerman collect soil samples in the tropical rainforests of Peru. This image relates to a paper that appeared in the June 15, 2012, issue of Science, published by AAAS. The paper, by Crystal H. McMichael at the Florida Institute of Technology in Melbourne, Fla., and colleagues was titled, "Sparse Pre-Columbian Human Habitation in Western Amazonia."
Credit
Image courtesy of Crystal McMichael
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