10 
BULLETIN 506, U. S. DEPARTMENT OF AGRICULTURE. 
the increasing cut in the Southern and Northwestern States. Abnor- 
mal conditions in 1914 and 1915 caused departures from the general 
trend. 
in 
1ST 
n 
E V 
m- 
W" 1 
CLASS OF MILLS 
^V.. .10.000 MFT.ANDOVER 
TC".. 5.000 TO 9.939 M FT. 
HI._-l.00a TO 4-.S99 M FT 
H....500 TO 999 M FT. 
1 50TO 499 M FT. 
Fig. 2. — Computed total 1915 production 
Though the total number of mills reporting varies greatly with 
different years, the bulk of the lumber cut was probably reported, 
since mills not reporting were undoubtedly those of the smallest 
