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WILD FLOWERS AND TREES OF COLORADO 



special articles which deal with Colorado trees. It is not intended as a 

 complete bibliography, but merely as a useful working list for reference. 

 Economic considerations.— The great importance of forests is now 

 recognized on every side and it is desirable that the people of Colorado 

 should know something of the trees of the state and of their value. 

 Perhaps the most important function of forests in -mountain districts 



Limber Pine 



Pinyon Pine 

 Fig. 43. — Pines. X§ 



Rock Pine 



anywhere is to conserve the water and prevent the land from washing. 

 But they may serve also to supply much needed timber for mining and 

 manufacturing purposes. In many parts of the state large areas of the 

 original forest have been cut and burned over so that there is now much 

 waste land in the foothills and in the mountains. Since this is neither 

 fit for mining nor agriculture it should, in time, come to be valuable for 

 purposes of forest growth. For the most part, reproduction in the forests 



