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Contact: Margaret Allen
mallen@smu.edu
214-768-7664
Southern Methodist University
Caption: A tree ring shows the pattern of fire scars from 1700 to 1979. As is typical of tree rings, fire scars stop around 1900 due to a century of fire suppression.
Credit: Roos, Swetnam
Usage Restrictions: Please credit
Related news release: Ancient tree-ring records from Southwest US suggest today's megafires are truly unusual
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