In other words, there was so much evidence, none of it counted. They did not, at the time, know about the Cerutti Mastodon. You can see vids on YT of visits t

In other words, there was so much evidence, none of it counted. They did not, at the time, know about the Cerutti Mastodon. You can see vids on YT of visits to the site. There were so many tools found, there are piles of them left out on the ground. Very, very obviously knapped tools.