ich is now being made by the United pine are still very large, not only in Minnesota, but in past year, however, was one of extraordinary losses. States Forest Service bears out this assertion. northern Michigan, while nearly all of the region is The destruction wrought by forest fire in a western… … The rapidity with which a forest fire spreads. Views of a conflagration in How tno rangers light forest fires by digging trenches and covering the fire with earth* Southern California* Men making a clearing in the timber on a mountain to check the spread of A mountain ridge often affords a natural…
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