36 
BULLETIN 234, U. S. DEPARTMENT OF AGRICULTURE. 
Table 17. — Classification of the land and timberland on the Bernice division, Ihevlodge 
National Forest, Mont. — Continued.. 
PRODUCTIVE TIMBERLAND. 
Area 
and 
yield. 
Per cent. 
Area. 
Per cent. 
Acres. 
Acres. 
17,761 
40,585 
4.145 
2S.5 
Age classes — 
474 
2,844 
14.443 
2.7 
16.0 
81.3 
Total 
17,761 
16,080 
1.526 
155 
100.0 
90.6 
8.6 
0.8 
Types- 
Douglas fir 
Engelmann spruce 
Total - 
17,761 
1.000 b.f. 
74,583 
9,850 
7, 051 
1,347 
100.0 
80.4 
10.6 
7. 5 
1.5 
Stand by species- 
Douglas fir 
Engelmann spruce 

92,831 
Acres. 
. 100.0 
64.9 
Age classes — 
1,570 
9'. 742 
5,511 
7,559 
1,412 
4,887 
1,928 
2; 448 
2,092 
3,040 
396 
3.9 
24.0 
13.6 
18.6 
3.5 
12.0 
4.8 
6.0 
5.1 
7.5 
1.0 
Total 
40,585 
100.0 
6.6 
Total - 
62. 491 
100.0 
Table 18. — Real and normal grouing stock and periodic annual increment on the Bernice 
division, Deerlodge National Forest. Mont. 
Age. 
Area. 
Normal- 
ity. 
Growing stock. 
Periodic annual 
increment. 
Yield at 
the age 
of 140 
years. 1 
Real. 
Normal. 
Real. 
Normal. 
A erf 5. 
1,570 
9.742 
5.511 
7,559 
1,412 
4,887 
1,928 
2,448 
2,092 
3,040 
396 
17, 761 
4,145 
0.67 
.69 
.73 
.66 
.67 
.49 
.40 
.30 
.20 
.20 
.20 
.35 
.10 
1,000 
cu. ft. 
95 
1,815 
2. 293 
5.687 
1, 731 
5.747 
2.267 
2,468 
1,5S2 
2,481 
342 
-• " 
1,890 
1,000 
cu. ft. 
"402 
1,205 
2,544 
5,089 
8.168 
10. 713 
13. 123 
14, 99S 
16,872 
IS, 211 
19,283 
61,062 
1,000 
cu. ft. 
9 
121 
121 
284 
65 
136 
42 
31 
18 
18 
2 
57 
1,000 
cu.ft. 
40 
80 
134 
254 
308 
254 
241 
187 
187 
134 
107 
147 
1,000 
bd. ft. 
16,662 
20 years 
106. 476 
63.44S 
7S,920 
15.058 
60 years 
3S.090 
12. 215 
80 years 
11,633 
6,628 
9,631 
1,254 
lOO' vears 
Oyer 120 (ayerage age 130 
years): 
Total 
62, 491 
57.069 
171,670 904 
2,073 
1 Normal yield, 15,840 board feet at 140 years on sites of ayerage quality: 7S.7 per cent of area oyerstocked; 
20.5 per cent of area understocked; 0.S per cent of area normally stocked. * 
