March, 1917 



Bulletin No. 170 



EVERGREEN TREES FOR IOWA 



The Colorado blue spruce is one of the most beautiful trees for lawn 

 planting and can be utilized very well for shelterbelt. 



AGRICULTURAL EXPERIMENT STATION 



IOWA STATE COLLEGE OF AGRICULTURE 



AND MECHANIC ARTS 



Forestry Section 



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FORESTRY 



COLLEGE OF A AGRK^U 

 UNIVERSITY OFCAUFOKNIA 



Ames, Iowa 



