1917 1918 



RELATIVE PRICES 

 OF 



LUMBER-POPLAR 



REPRESENTING AVEPAGE50f i 1 5&RI3 



1913 1914 1915 



1916 



220 



200 



180 



160 



140 



120 



1 1 1 i 



500 



E80 



260 



Z40 



Z20 



ZOO 



180 



160 



140 



120 



100 



80 



100 



80 



60 



i i i i i i i i i i 



^60 



I 1 I fi 1 I I I 





1913 



1914 



1915 



1916 



1917 1918 



