Dendrochronology, the study of tree ring growth, can reveal far more than just the age of a tree. It can also help researchers plot out events, environmental change, and better understand the lives of people who lived in an area.

In this live Q&A, Daniel Druckenbrod, Professor of Environmental Sciences at Rider University, discusses his recently published work on the location of Jefferson’s “timber zone” and what forest regrowth on former plantation fields can teach us about past agricultural activity and the enslaved laborers who worked the land.

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