image: Drs. Michael Waters and Carl Gustafson. This image relates to a paper that appeared in the Oct. 21, 2011, issue of Science, published by AAAS. The paper, by Dr. Michael R. Waters of Texas A&M University in College Station, Texas, and colleagues, was titled, "Pre-Clovis Mastodon Hunting 13,800 Years Ago at the Manis Site, Washington." view more
Credit: Image courtesy of Center for the Study of the First Americans, Texas A&M University