Replies

To: AppyPappy

Tree rings! At least, as to droughts, sunlight, growth rate of trees and other vegetation.

The other things, from archaeological records, combined.

15 posted on 01/11/2006 1:49:51 PM PST by MillerCreek

To: MillerCreek

They know census data from tree rings? Cool!!

17 posted on 01/11/2006 1:52:33 PM PST by AppyPappy (If you aren't part of the solution, there is good money to be made prolonging the problem.)

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