Here is a discovery they made in 2009, proving man in America back in the days of dinosaurs. This is in South Dakota. Obviously they didn't live in caves. They seem to have a culture similar to modern man, with amenities and tools.
17 posted on 04/28/2017 3:18:21 AM PDT by mountn man
(The Pleasure You Get From Life, Is Equal To The Attitude You Put Into It)