FOREST WASTE 



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Hemlock bark is used for tanning. Wood is used for making 

 artificial silk, manufactured from the fiber of aspen, basswood, 

 Cottonwood, and other trees. The hard woods, ash, red gum, 

 beech, birch, cherry, chestnut, elm, maple, oak, and walnut, are 

 used largely for the " trim " of our houses, for manufacture of 

 furniture, wagon or car work, and for endless other purposes. 

 Our hardwood supply is rapidly becoming exhausted, particularly 



Photo by W. I. Hutchinson , Courtesy U. S. Forest Service. 

 Logging with a tractor, Lassen National Forest, California. 



ash and hickory, and our only remedy is to plant more trees of 

 this kind. 



Forest Waste. — Our forests are being cut off at the rate of 

 about 10,000,000 acres a year. But man loses much of this wood 

 by wasteful methods of lumbering. Hundreds of thousands of 

 dollars' worth of lumber is left to rot annually because the lum- 

 bermen do not cut the trees close enough to the ground, or because 

 through careless felling of trees many other smaller trees are 

 injured. This is particularly true among the large trees in our 

 western forests. There has been great waste also in the lumber 

 mills. In fact, man wastes lumber in every step from the forest to 

 the finished product. 



Fire an Enemy. — Indirectly, man is responsible for fire, one of 

 the greatest enemies of the forest. Most of the great forest fires 

 of recent years, the losses from which total in the hundreds of 



