Just kidding. 
 
If you want to waste a day or two, look through the completely cool sampling protocols and results of North American timbers, English medieval doors, etc. etc. at
 
http://www.dendrochronology.com/
 
best christopher
 
sent from my huckleberry wireless.
-- To terminate puerile preservation prattling among pals and the uncoffee-ed, or to change your settings, go to: http://listserv.icors.org/archives/bullamanka-pinheads.html