Tree rings grow naturally, irrespective of the Vikings and Mayans, unless the researchers were able to document that the Vikings and Mayans traveled through the west coast states planting the trees. (yes, a bit of sarcasm)
36 posted on 02/18/2022 6:24:59 PM PST by GreyFriar
(Spearhead - 3rd Armored Division 75-78 & 83-87)