CDC's COVID-19 Data Tracker: Visualizations, Graphs and Data
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Anatomy of a Prescribed Burn

 

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Prescribed burn managers try to find a natural firebreak, such as a creek (1), from which they set down a wind backfire (3). This creates a blackline (2) at which the spot-headfires (set in successive ignitions (5, 6, 7) will stop. Crew members patrol a handline (4) to ensure that the burn is contained.

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