THE SEASONING OF WOOD. 
13 
220 
200 
| 
l-BLACK PINE 
o-orn DIWC 1 
to 
\ 
c 
5-DOUGLAS F 
IR 
2 '80 
1 
A 
UJ 
\ 
\ 
\ 
\ 
1 nf, 
y 
V 
1 
o 140 
3 
\ 
\ 
\ 
\s\ 
A 
120 
k 
v* 
2 4 6 1 
TIME SEASONING -MONTHS 
200 
co '80 
m 
ic 
-3C 
5c 
-BLACK PINE 
-RED PINE-1 — 
-DOUCLAS FIR 
1 
y i6o 
)z 
-WHITE FIR 
a. 
j_ 140 
X 
o 
120 
^r 
<S 
&\c 
?C 
BO 
) 
> 
i 
l 
e 
E 
TIME SEASONING - MONTHS 
Fig. 2.— Southwestern ties, (a) Seasoning of ties at Pecos, N. Mex.; cut in January and February; 
(6) seasoning of ties at Pecos, N. Mex.; cut in August, September, and October. (Black and red pine 
are local names for western yellow pine; black pine refers to young trees and red pine to mature trees). 
4 6 
TIME SEASONING- 
Fig. 3.— Northwestern ties. Seasoning of lodgepole pine ties at Bozeman, Mont., Douglas fir at Sandpoint, 
Idaho (curves 11 and 12), Pasco, Wash, (curve 15), and Tacoma, Wash, (curve 16); and western larch at 
Sandpoint, Idaho, cut in January and February; Tacoma ties in December and January. 
