40 
BULLETIN 152, U. S. DEPARTMENT OF AGRICULTURE. 
Table 22. — Diameters inside bark at different heights above the ground for trees of different 
sizes, based on measurements of 1,548 trees in the Southern Appalachian region — Con. 
Diameter 
breast- 
high 
outside 
bark. 
ro-foot trees. 
80-foot trees. 
Height above ground— feet. 
10.15 
18.3 
26.45 
34.6 
42.75 
».05 
10.15 
18.3 
26.45 
42.75 
50.9 
05 67.2 73.35 
Diameter inside bark — inches. 
O 
Inches. 
6.8 
7.9 
8.5 
9.4 
10.2 
11.1 
11.9 
12.7 
13.6 
14.4 
15.3 
16.1 
17.0 
17.9 
18.7 
19.6 
20.4 
21.3 
22.1 
22.9 
23.7 
24.6 
25.4 
26.2 
27.0 
6.2 
7.0 
7.9 
8.8 
9.5 
10.4 
11.2 
12.0 
12.8 
13.7 
14.5 
15.2 
16.0 
16.8 
17.6 
18.4 
19.1 
19.9 
20.6 
21.4 
22.1 
22.9 
23.7 
24.5 
25.2 
5.7 
6.5 
7.3 
8.1 
8.9 
9.7 
10.5 
11.4 
12.1 
12.9 
13.7 
14.4 
15.2 
15.9 
16.6 
17.3 
18.1 
18.7 
19.4 
20.1 
20.9 
21.6 
22.3 
23.0 
23.7 
5.0 
5.8 
6.5 
7.2 
7. 
8.7 
9.5 
10.2 
10.9 
11.7 
12.3 
13.0 
13.7 
14.4 
15.0 
15.7 
16.3 
17.0 
17.5 
18.2 
18.8 
19.5 
20.1 
20.8 
21.4 
4.0 
4.7 
5.3 
5.9 
6.4 
7.1 
7.8 
8.4 
9.0 
9.6 
10.2 
10.8 
11.4 
12.0 
12.5 
13.1 
13.6 
14.2 
14.7 
15.3 
15.8 
16.4 
16.9 
17.5 
18.0 
3.4 
3.8 
4.2 
4.7 
5.1 
5.6 
6.0 
6.5 
7.0 
7.6 
8.1 
8.6 
9.1 
9.6 
10.0 
10.5 
10.9 
11.3 
11.7 
12.2 
12.6 
12.9 
13.3 
13.7 
8.7 
9.5 
10.3 
11.1 
12.0 
12.9 
13.7 
14.5 
15.3 
16.2 
17.0 
17.9 
18.7 
19.6 
20.4 
21.3 
22.1 
23.0 
23.8 
24.6 
25.5 
26.3 
27.1 
28.0 
28.8 
29.7 
8.1 
9.0 
9.8 
10.6 
11.4 
12.2 
13.0 
13.7 
14.5 
15.3 
16.0 
16.9 
17.5 
18.4 
19.1 
19.9 
20.7 
21.5 
22.2 
23.0 
23 
24 
25.3 
26.1 
26.8 
27.6 
7.5 
8.3 
9.2 
9.9 
10.7 
11.5 
12.3 
13.0 
13.7 
14.4 
15.2 
15.9 
16.5 
17.3 
18.0 
18.8 
19.5 
20.3 
20.9 
21.7 
22.4 
23.1 
23.7 
24.4 
25.2 
25. 
6.9 
7.7 
8.5 
9.2 
9.9 
10.6 
11.4 
12.1 
12.7 
13.4 
14.1 
14.8 
15.5 
16.1 
16.8 
17.4 
18.1 
18.8 
19.4 
20.1 
20.8 
21.4 
22.0 
22.6 
23.4 
24.0 
6.1 
7.5 
8.2 
8.8 
9.5 
10.1 
10.8 
11.3 
12.0 
12.6 
13.3 
13.9 
14.5 
15.1 
15.7 
16.2 
16.9 
17.4 
18.0 
18.7 
19.2 
19.7 
20.3 
20.8 
21.4 
5.0 
5.5 
6.1 
6.7 
7.3 
7.8 
8.4 
9.0 
9.5 
10.1 
10.7 
11.2 
11.8 
12.3 
12.8 
13.4 
13.9 
14.4 
14.8 
15.3 
15.9 
16.3 
16.7 
17.1 
17.5 
18.0 
4.1 
4.5 
4.9 
5.4 
5.8 
6.2 
6.6 
7.0 
7.5 
7.9 
8.4 
8.9 
9.2 
9.7 
10.1 
10.6 
11.0 
11.3 
11.8 
12.2 
12.5 
12.8 
13.1 
13.4 
13.9 
1.1 
1.8 
1.9 
2.1 
2.2 
2.3 
2.4 
2.5 
2.7 
2.8 
3.0 
3.1 
3.3 
3.4 
3.6 
3-8 
4.0 
4.1 
4.2 
4.4 
4.5 
Diameter breast-high outside 
bark. 
Inches 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
90-foot trees. 
Height above ground— feet. 
10.15 18.3 26.45 34.6 42.75 50.9 59.05 67.2 75.35 83.5 91 
Diameter inside bark— inches. 
8.7 
8.3 
7.8 
7.3 
6.8 
6.0 
4.8 
3.4 
2.1 
0.9 
9.5 
9.1 
8.6 
8.0 
7.4 
6.6 
5.4 
3.9 
2.4 
1.0 
10.3 
9.9 
9.4 
8.8 
8.1 
7.2 
5.9 
4.3 
2.6 
1.2 
11.2 
10.7 
10.2 
9.5 
8.8 
7.9 
6.5 
4.7 
2.9 
1.2 
12.0 
11.5 
10.9 
10.2 
9.4 
8.5 
7.0 
5.0 
3.1 
1 3. 
12.9 
12.3 
11.6 
10.9 
10.1 
9.1 
7.5 
5.4 
3.3 
1.4 
13.7 
13.1 
12.4 
11.6 
10.7 
9.7 
8.0 
5.8 
3.6 
1.5 
14.5 
13.9 
13.1 
12.3 
11.4 
10.2 
8.4 
6.2 
3.8 
1.6 
15.4 
14.6 
13.8 
13.0 
12.1 
10.8 
8.9 
6.6 
4.1 
1.7 
16.2 
15.3 
14.5 
13.7 
12.7 
11.4 
9.4 
6.9 
4.3 
1.9 
17.1 
16.1 
15.2 
14.4 
13.4 
12.0 
9.9 
7.3 
4.6 
2.0 
17.9 
16.8 
16.0 
15.2 
14.1 
12.6 
10.4 
7.7 
4.9 
2.1 
18.8 
17.6 
16.7 
15.8 
14.7 
13.1 
10.9 
8.1 
5.1 
2.2 
19.6 
18.4 
17.4 
16.5 
15.3 
13.7 
11.4 
8.5 
5.4 
2.3 
20.5 
19.2 
18.2 
17.2 
16.0 
14.2 
11.9 
8.9 
5.6 
2.4 
21.3 
20.0 
18.9 
17.9 
16.6 
14.8 
12.4 
9.4 
5.9 
2.5 
