Mammoth 2019
  |
|
|
| 9194973 | ||
|---|---|---|
Mammoth Trip, 2019
September 19
Bristlecone Forest
The age of the living trees, accurately known as counted by their rings, has been used to calibrate carbon dating methods. Thus many artifacts (in Europe, for example) have been determined to be up to 1000 years older than previously thought! -F.
