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Cooperative Institute for Research in Environmental Sciences: Was the Wallow Fire Arizona's Biggest? New Research Says No
May 14, 2026
BOULDER, Colorado, May 14 -- The Cooperative Institute for Research in Environmental Sciences issued the following news:

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Was the Wallow Fire Arizona's biggest? New research says no

A new CIRES study gives researchers a historical perspective on megafires in the region for the first time

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The Wallow Fire burned over half a million acres of forest in Arizona and New Mexico in 2011. Officials consider it to be the largest . . .

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