44 
BULLETIN 1291, U. S. DEPARTMENT OF AGRICULTURE 
Table 26. — Stem taper of aspen as shown by diameter inside of baric, etc. — Con. 
TREES 50 FEET IN HEIGHT 
Diameter breast high 
Height from ground 
Stump 
10 feet 
20 feet 
30 feet 
40 feet 
Inches 
4.3 
5.2 
6.1 
7.0 
7.9 
8.7 
9.6 
10.5 
11.3 
12.2 
13.0 
14.0 
14.9 
15.7 
16.6 
17.5 
18.3 
Inches 
3.6 
4.4 
5.2 
5.9 
6.7 
7.5 
8.3 
9.1 
9.8 
10.6 
11.4 
12.2 
13.0 
13.7 
14.5 
15.3 
16.0 
Inches 
3.1 
3.7 
4.4 
5.0 
5.7 
6.3 
7.0 
7.6 
8.2 
8.9 
9.5 
10.1 
10.8 
11.4 
12.1 
12.7 
13.3 
Inches 
2.2 
2.7 
3.2 
3.7 
4.2 
4.8 
5.2 
5.8 
6.3 
6.7 
7.2 
7.7 
8.2 
8.7 
9.2 
9.8 
10.2 
Inches 
I 6 
1 9 
2 2 
2 5 
8inches .. . - 
2 8 
9inches . .. ... .. 
3 1 
lOinches. . 
3.4 
3 7 
4 
4 3 
4.6 
4.9 
5.2 
17 inches 
5.5 
18 inches .. - -- 
5.8 
6 1 
20 inches - 
6 ^ 
TREES 60 FEET IN HEIGHT 
Diameter breast high 
Height from ground 
Stump 
10 feet 
20 feet 
30 feet 
40 feet 
50 feet 
Inches 
4.4 
5.2 
6.0 
6.8 
7.7 
8.6 
9.4 
10.4 
11.2 
12.1 
13.0 
13.9 
14.7 
15.5 
16.5 
17.4 
18.2 
19.0 
20.0 
Inches 
3.6 
4.4 
5.2 
6.0 
6.8 
7.6 
8.4 
9 3 
10.0 
10.8 
11.6 
12.4 
13.2 
14.0 
14.8 
15.6 
16.5 
17.1 
18.0 
Inches 
3.0 
3.8 
4.4 
5.2 
5.9 
6.6 
7.3 
8.0 
8.7 
9.4 
10.1 
10.7 
11.4 
12.2 
12.8 
13.7 
14.4 
15.1 
15.8 
Inches 
2.5 
3.2 
3.7 
4.3 
4.9 
5.5 
6.0 
6.8 
7.3 
7.8 
8.5 
9.1 
9.6 
10.2 
10.8 
11.4 
12.0 
12.6 
13.2 
Inches 
1.8 
2.4 
2.8 
3.3 
3.8 
4.2 
4.7 
5.2 
5.6 
6.0 
6.6 
7.0 
7.4 
8.0 
8.4 
9.0 
9.4 
9.8 
10.3 
Inches 
1.2 
1.5 
6 inches 
1.8 
7 inches 
2.1 
2.4 
9 inches 
2 7 
lOinches.. ... 
3.0 
11 inches.. . . 
3.3 
12 inches 
3.6 
3.9 
4.2 
15inches.. . 
4.5 
16inches 
4.8 
17 inches 
5. 1 
18 inches 
5.4 
19inches 
5.7 
20 inches . 
6.0 
6.3 
22 inches 
6.6 
