<big dopey grin>
jcwren - you've saved us'all the hassle of core samples, ring counting and carbon-dating.   You must be older than me or even gasp merlyn.
</big dopey grin>

I'll admit to doing a bit of 8080a assm 100 years ago in college, but those synapses have looong since been flushed.   So no guesses from /me.
    cheers,
    Don
    striving for Perl Adept