9. From some 13 million board feet in 1869 lumber production in- 

 creased to 598 million in 1948. (See table 18.) 



1869 1879 1889 1899 1909 1919 1929 1939 1948 



YEAR 



10. The lumber production pattern is changing. Small mills are 

 cutting more of the total output, large mills less. 



1921 1926 1931 YEAR 1936 1941 l 9 *6 1948 



11. Montana is its own best customer for lumber. The middlewest 

 states are the main market outside of the State . From 1938 to 

 1945 the percent of shipments to the middlewest increased. 



