PRODUCTION OF LUMBER., LATH, AND SHINGLES. 
11 
size. For some years it has been possible to show the actual number 
of sawmills reporting ; in other years the figures include an insepa- 
rable number of exclusive lath and shingle mills. The figures for 
SCALE 
ONE BILLION FEET BOARD MEASURE 
JS REPRESENTED BY THIS SQUARE 
o \ 
s \ 
( 
V 
\ 
-III 
u- 
w 
°li 
COMPUTEDTOTAL 1915 PRODUCTION OFLUMBER 
BY CLASSES OF MILLS, BY STATES 
If. OFFICE OF INOUSTf 
of lumber by classes of mills, by States. 
1910 to 1915, inclusive, are for mills cutting 50,000 feet annually and 
up ; and the figures for previous years cover all mills reporting, 
except that custom mills were excluded in 1914 and 1904. 
