id author title date pages extension mime words sentences flesch summary cache txt work_b4cf5w6y7zapbaztg6gzprtjy4 David Deming Ancient Ocean Crossings by Stephen C. Jett 2017 3 .pdf application/pdf 1084 79 64 Ancient Ocean Crossings by Stephen C. literature covered and reviewed in this book as well as the issues and For those who find it unsettling that a reviewer has not read a book Ancient Ocean Crossings examines the evidence and arguments that human cultures in the Western Hemisphere were influenced by occasional The question of whether or not ancient ocean crossings occurred is a reminder that evidence regarding human origins is scant. The author of Ancient Ocean Crossings a human presence in the Western Hemisphere as early as 200,000 years when human artifacts 130,000 years old were found at the Cerutti Mastodon the Jebel Irhoud site indicate that modern humans were in North Africa as early as 315,000 years before present (Stringer & Galway-Witham 2017). comprehensive review of an important issue in human origins. College of Arts & Sciences, University of Oklahoma Did Modern Humans Originate in the Americas? ./cache/work_b4cf5w6y7zapbaztg6gzprtjy4.pdf ./txt/work_b4cf5w6y7zapbaztg6gzprtjy4.txt