Dendrochronology

The study of tree rings, or dendrochronology, was developed as a practical method to date wood and ancient objects. This technique allows for precise dating of historical items and is particularly useful in archaeology.
 Andrew Ellicott Douglass United States 1920 Dendrochronology

The study of tree rings, or dendrochronology, was developed as a practical method to date wood and ancient objects. This technique allows for precise dating of historical items and is particularly useful in archaeology.