Her community had no mammoths to hunt.

The massive, shaggy animals whose bones are found in abundance in Alaskan permafrost deposits had been gone for a thousand years by the time this child was born.

The world she knew was the post-mammoth world — the early Holocene landscape of the northern rim of a hemisphere that was still adjusting to the ecological changes of the terminal Pleistocene.

Each of these comparisons helps anchor the abstract number of 9,000 years to something more concrete.

The Trail Creek child is not simply old in the way that all ancient archaeological specimens are old.