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MISC. PUBLICATION 1G2, U.S. DEPT. OF AGRICULTURE 



The principal forest product, of course, is wood — one of the 

 world's most useful raw materials. It provides us with shelter ; fur- 

 niture and implements are made of it; and we rely upon it to a 



orest of Douglas Fir. 



Douglas fir reaches its greatest importance in the Pacific northwest, although it is found 

 to a large extent also in the Rocky Mountain region. 



considerable extent for means of transportation on both land and 

 water. In millions of homes throughout the country wood is the 

 principal fuel used. It is also used in mining the coal and drilling 

 for the oil wliich heat countless other homes and provide power for 



