more trees and forests and guard and protect them. 



We shall try to prove that the planting of trees and 

 forests becomes more necessary from year to year. 



Of all the material required for the welfare and 

 comfort of all the people of the world, next to that 

 of food supply, comes wood in its many uses. Wood 

 is far more necessary than iron and coal and other 

 mineral products. 



In late years, it is true, brick and concrete have 

 taken the place of wood to a certain extent, as far 

 as building material is concerned. Also the produc- 

 tion of aluminum with its great durability and 

 strength will probably be enlarged and supply a larger 

 part in all buildings. 



Yet an enormous quantity of wood is required to 

 finish and furnish every building. Doors, window 

 frames, floors and nearly all the inside furnishigs 

 are of wood and have very few substitutes. Again 

 we find that our railroads with their thousands and 

 thousands of miles of track use up a very large amount 

 of wood for ties. 



Much wood is used for paper making and the de- 

 mand for box lumber for shipping purposes is stead- 

 ily increasing. But at the rate that our present forests 

 are destroyed by fire and the wood used for com- 

 mercial purposes and much timber wastefully cut 

 down, the supply will soon be used up, unless new 

 trees and forests are planted and protected. This is 

 the main reason why more attention should be paid 

 to preserve our present and to provide for new 

 forests. But there are other reasons. 



Here in Minnesota we have some land that is of 



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