San Diego — A trove of mastodon bones discovered decades ago at a CalTrans construction site in San Diego provides evidence that humans reached North America 100,000 years earlier than ...

Ancient mastodon fossils found during road repairs in San Diego have scientists considering a stunning possibility: that North America was home to ancient human ancestors far earlier — by more than ...

Tech Mastodon Bones Found in San Diego ‘Rewrite’ Early Human History by Debbie L. Sklar • Times of San Diego April 26, 2017, 11:55 p.m.

The remains of a mastodon discovered during a routine freeway excavation in San Diego shows there was human activity in North America 130,000 years ago — or about 115,000 years earlier than ...

If the broken Mastodon bones really are evidence of a prehistoric tool-making or marrow buffet site, it would be the oldest such archaeological site on the continent by as much as 100,000 years.

This site was found during a freeway expansion in 1992 The Cerutti Mastodon Site is a paleontological site in San Diego County, California, that's known for its chronological controversy.

This mastodon was youngish — perhaps a teenager or a20-something in human terms — and was probably a male, given thelength of its tusks, Demere said. Based on soil data, Demere estimated that ...

Source: San Diego Natural History Museum Summary: An Ice Age site in San Diego, Calif., preserves 130,000-year-old bones and teeth of a mastodon that show evidence of modification by early humans.

What they found: Starting in the winter of 1992, Richard A. Cerutti and other paleontologists from the San Diego Natural History Museum began excavating the Cerutti Mastodon site.

(San Diego Natural History Museum Photo) Scientists say the patterns of breakage in mastodon bones found 25 years ago near a San Diego highway suggest that humans battered the beast 130,000 years ago.

The fossils, originally discovered by archaeologists in 1992, were of teeth, tusks and bones of a mastodon (Mammut americanum), an extinct relative of elephants. No hominid remains were found at the ...