On Wed, 7 Feb 2001, Ingrid Bauer wrote:

> how come they are able to find out which wood was burned  ( something that i
> found remarcable) and will not be able to detect traces of burned tubers?.

For one thing, cooked (not burned) tubers would be eaten, not
left behind for archeologists to find.  Parched grains would be
scavenged by birds.

Todd Moody
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