. Elements of forestry. Forests and forestry. 132 ELEMENTS OF FORESTRY present times with the hope of improving grazing conditions. Altogether about two-thirds of our whole forested area has been burned over at one time or another and much of this has been burned repeatedly. Although it is very difficult to detect in every case the cause of forest fires, records have been kept which show that the most important causes of fires are railroad locomotives, ^M Mm. Fig. 25. — A Cache of Fire-fighting Tools Ready for Use. The shovel, axe and cross-cut saw are generally the best tools for fighting fir
. Elements of forestry. Forests and forestry. 132 ELEMENTS OF FORESTRY present times with the hope of improving grazing conditions. Altogether about two-thirds of our whole forested area has been burned over at one time or another and much of this has been burned repeatedly. Although it is very difficult to detect in every case the cause of forest fires, records have been kept which show that the most important causes of fires are railroad locomotives, ^M Mm. Fig. 25. — A Cache of Fire-fighting Tools Ready for Use. The shovel, axe and cross-cut saw are generally the best tools for fighting fires. Mattocks, rakes and forks are also used in making a fire line. carelesss campers, clearing land and brush burning, lightning, hunters, and those of incendiary origin. It is a notable fact that of all the many causes of fires, lightning is the only one that is absolutely unpreventable. Burning to improve graz- ing, sparks from logging machinery, burning over blueberry patches and cranberry marshes are also important sources of Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moon, Frederick Franklin, 1880-1929; Brown, Nelson Courtlandt, 1885-. New York J. Wiley
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectforestsandforestry
