The June 27, 1990 Arizona Republic, from Michael Johns’ paper, “The Dude Fire” (click for a slightly larger version)
Twenty years ago today, six firefighters perished on the Dude fire in Walk Moore Canyon north of Payson, Arizona on a day when the temperature in Phoenix reached 122 degrees, grounding jetliners because there was no reliable data confirming that fully loaded commercial aircraft could operate in that kind of heat.
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