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# Dendrochronology
- URL: https://www.cascadepbs.org/movies/time-team-america-search-josiah-henson/extras/time-team-america-dendrochronology/
- Published: 2025-05-02T19:05:19.000Z
- Updated: 2025-06-07T23:07:59.000Z
- Description: Dr. Ron Towner explains the principles behind dendrochronology.
- Author: Cascade PBS Staff
- Tags: The Search for Josiah Henson, #ZZZ_Show_7a173a56-dacd-43d9-8960-5a4f51db7cc2, #hide, #v1.3, #ZZZ_Extra_58aaeec3-3acf-46ef-9d03-70dbbaa3e88e, #movie-extra

Dr. Ron Towner from the Laboratory of Tree-Ring Research at the University of Arizona, explains the principles behind dendrochronology and why this dating method is valuable to archaeologists. Ron demonstrates how to accurately count tree-rings, and discusses the importance of patterns and master chronologies.