Stephenson and Demetry 1995) or other mathematical or graphical methods.
Ranges of ages derived by extrapolations are welcome and can be accommodated in the database.
The tree was cored by Edmund Schulman in the late 1950s but he never had a chance to date it before he died in 1958.
Tom worked up the cores Schulman collected sometime around 2010, and discovered the tree's age at that time.
are building a medieval village around a historic Scottish castle.