. Bulletin (Pennsylvania Department of Forests and Waters), no. 36-37. Forests and forestry. BCQIN BJ^CK FIRE HERE, AND WORK BOTH WAYS If Worked Straight .Across the IIead-fire, the IUck-fire Must be Long Enough to Check not Only the Narrow HEAD-FntE but also the Full Width of the Fire Behind. 30 The foregoing illustration is described by a forester as follows: **It is useless to try to head off a fire ascending a steep slope. My method has been to start a back-fire at the top of the slope, dividing my men into two crews, each running a line away from the other, at right angles to the directio
. Bulletin (Pennsylvania Department of Forests and Waters), no. 36-37. Forests and forestry. BCQIN BJ^CK FIRE HERE, AND WORK BOTH WAYS If Worked Straight .Across the IIead-fire, the IUck-fire Must be Long Enough to Check not Only the Narrow HEAD-FntE but also the Full Width of the Fire Behind. 30 The foregoing illustration is described by a forester as follows: **It is useless to try to head off a fire ascending a steep slope. My method has been to start a back-fire at the top of the slope, dividing my men into two crews, each running a line away from the other, at right angles to the direction of the oncoming fire until it is safe to run the line down the slope in the direction of the fire, flanking it and finally catching it in the ; This is a satisfactory method of attack. Occasionally a back-fire is started at the bottom and diagonally to the slope of a hill. As a result, the uphill draft usually causes the fire to move more rapidly than the men can handle it, and it some- times gets away. The back fire should be started at the top and worked down, running directly with the wind or at an angle to it. It pays to take the time to walk up a hill before starting the back-fire. It is advisable to do some thinking after a fire has been extinguished. Review the plan to attack and consider whether better plans might have been made so that the fire could have been more quickly and more easily extinguished. DIRtCTION or WIND. DAMP LAND, THIN GROWTH. OR SIMILAR POOR BURNING How a Side Fire May Develop a New Head Fire. The Last Spark: No fire is out until the last spark is dead. Some- times wardens and men leave as soon as the flames have been extin- guished, with the result that frequently the fire has started up again at one or more places. Then the fire has to be fought again; it is larger, is harder to subdue, takes more time, costs more, burns over more area, and does more damage than the first fire. No chances should be taken with its breaking out a second t
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