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CO Annual number of fires and area burned
Fuel of high rate of spread and high resistance to control in
4 other sections not shown
Ainr ALIENATED TOTAL NAT'L area seen average burned area burning conditions burning severity chains per hour cost covered crews curve Danger Meter dense detection stations detectors determined discovery Douglas fir estimated Extreme factors fire control fire spread forest type fuel conditions fuel mappers fuel mapping fuel resistance heavy reinforcements influences initial attack initial rates inspector lenj light reinforcement locations Lodgepole pine Medium method midday miles miles per hour Missoula national forests northern Rocky Mountain number of fires number of stations patrols percent perimeter increase period planimetric ponderosa pine Priest River rate of spread reinforcement action resistance to control rH CM rH rH Rocky Mountain region seen area seen-area mapping severity of burning shows slopes smokechaser snags speed spots stand strength of attack timber type tion topography travel-time trees visibility distance western white pine white fir wind windfall