22 BULLETIN 909, U. S. DEPARTMENT OF AGRICULTURE. 
million board feet, equivalent to 3 to 5 million board feet of lum- 
ber ; and the total lumber cut was probably between 40 and 50 million 
board feet. This makes a total annual use of 51 to 70 million board 
feet, exclusive of the wood used for ties and fuel. The years 1911 
and 1912 may be taken as representative or average years. The sta- 
tistics for these years show an annual demand as follows : 
Logs exported from the United States (1912), 9.82 million board 
feet ; equivalent in lumber to about 12 million board feet. 
Logs manufactured into veneer in the United States (1911), 4.12 
million board feet ; equivalent in lumber to about 5 million board feet. 
Lumber production in the United States, estimated at 50 million 
board feet. 
Total, 67 million board feet. 
Reports of wood-using factories in the United States during the 
years from 1909 to 1913 show a total annual use of about 24 million 
board feet of black-walnut lumber and veneer for the manufacture 
of various products. As about 55 million board feet of lumber and 
veneer were manufactured annually in the United States in 1911 and 
1912, the difference of 31 million board feet represents exportations, 
which were almost altogether in the form of lumber. The amount of 
walnut used for ties, posts, and fuel is difficult of estimate, but is 
small, compared with the total for all purposes. 
During the war the demand amounted to about 90 million board 
feet annually. In 1918 the total lumber production was about 100 
million board feet, which was cut for war purposes. There was no 
exportation of logs, and practically no veneer was produced that year. 
The home demand for walnut at present is comparatively great 
on account of the marked increase in its use for cabinetwork. The 
total future demand depends very largely on the extent to which 
exportations approach or exceed the amounts sent abroad before 
the war. 
UTILIZATION BY INDUSTRIES. 
PRIMARY INDUSTRIES. 
LUMBER. 
PRODUCTION BY STATES. 
Table 5 shows by States the reported amounts of walnut lumber 
produced in the different years for which statistics are available. 
The computed annual production of walnut lumber is also given for 
the years 1915 to 1918. This table shows that the annual production 
of black-walnut lumber in the United States for the past 15 and 
probably 20 years did not greatly exceed 50 million board feet up 
