50 BULLETIN 55, U. S. DEPARTMENT OF AGRICULTURE. 
Table 30. — Merchantable volume of balsam fir in New York, in cubic feet inside the bark, 
on bask of diameter and height. 
[Average top diameter, 4 inches; based on 947 trees.] 
Height of tree (feet). 
40 ! 50 
1 
60 
70 80 
Merchantable volume (cubic feet). 
6 
3.5 
4.5 
5.9 
7.6 
4.0 
5.1 
6.8 
8.9 
11.2 
13.6 
1 
7 
5.9 
8.0 
10.4 
13.0 
15.6 
18.3 
21.1 
8 
9.1 
11.9 
14.8 
17.6 
20.9 
24.5 
28.4 
32.9 
37.8 
9 
10 
16.6 
19.8 
23.6 
27.7 
32.2 
37.5 
43.2 
11 
12.. : 
13... 
14 
16 

Table 31. — Merchantable volume of balsam fir in Maine, in cubic feet inside the bark, 
on basis of diameter and height. 
[Average top diameter, 4 inches; based on 330 trees.] 
Height of tree (feet). 
Diameter breast high (inches). 
50 60 
1 
70 
80 
90 
Merchantable volume (cubic feet). 
8 
9.4 
11.3 
13.5 
9.3 
11.3 
13.7 
16.4 
19.4 
22.9 
10.7 
13.1 
15.9 
19.1 
22.4 
26.1 
12.2 
14.9 
18.1 
21.6 
25.4 
29.4 
34.0 
39.0 
9 
10 - 
11 
23.6 
27.7 
32.4 
37.8 
44.1 
12 
13 
14 
15 
Table 32. — Merchantable volume of balsam fir in Grafton County, X. H. y in cubic feet 
inside the bark, on basis of diameter and height. 
[Top diameter, 6 inches.] 
Diameter breast high (inches). 
Height of tree (feetl. 
40 
50 
60 
Merchantable volume 
(cubic feet). 
6 
1.9 
3.9 
6.0 
8.3 
10.8 
13.5 
2.1 
4.4 
6.8 
9.5 
12.3 
15.3 
7 
5.0 
7.8 
10.9 
14.2 
17.6 
21.2 
25.0 
28.8 
32.9 
8 
9 
10 - 
11 
12 
18.5 
23.7 
13 
14 
15 
