For example, since they often use trees near the cold edge of their range, they could sample trees from warmer areas, where missed rings should show up. (realclimate.org)
In my 18 years of tree - ring work, I have NEVER seen a stand - wide missing ring. (realclimate.org)
His wedding ring hung on a string around his neck, because both hands were missing the ring finger. (bookbrowse.com)