42 
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. 
110-foot trees. 
Height above ground— feet. 
Diameter breast-higb 
outside bark. 
10.15 
18.3 
26.45 
34.6 
42.75 
50.9 
59.05 
67.2 
75.35 
83.5 
91.65 
99.8 
107. 95 
Diameter inside bark— incbes. 
Inches. 
15 
13.0 
12.4 
11.7 
11.2 
10.8 
10.1 
9.3 
8.1 
6.6 
4.8 
3.1 
1.7 

16 
13.8 
13.0 
12.4 
11.9 
11.4 
10.7 
9.9 
8.6 
7.0 
5.2 
3.3 
1.7 
17 
14.7 
13.8 
13.2 
12.7 
12.1 
11.3 
10.5 
9.2 
7.5 
5.5 
3.5 
1.9 
18 
15.5 
14.6 
13.9 
13.3 
12.7 
12.0 
11.0 
9.7 
8.0 
5.9 
3.7 
1.9 
19 
16.3 
15.3 
14.6 
14.0 
13.4 
12.7 
11.6 
10.3 
8.5 
6.3 
3.9 
2.0 
20 
17.1 
16.1 
15.4 
14.7 
14.0 
13.3 
12.2 
10.8 
9.0 
6.7 
4.1 
2.1 

21 
18.0 
16.9 
16.1 
15.5 
14.7 
13.9 
12.8 
11.3 
9.5 
7.1 
4.4 
2.2 
22 
IS. 8 
17.6 
16.9 
16.2 
15.3 
14.5 
13.4 
11.9 
10.0 
7.4 
4.6 
2.4 
23 
19.6 
18.4 
17.7 
17.0 
16.1 
15.2 
13.9 
12.4 
10.5 
7.8 
4.9 
2.5 
24 
20.5 
19.2 
18.4 
17.6 
16.7 
15.8 
14.6 
13.0 
11.0 
8.3. 
5.2 
2.6 
25 
21.3 
20.1 
19.2 
18.4 
17.5 
16.5 
15.2 
13.5 
11.5 
8.7 
5.5 
2.8 
26 
22.2 
20.8 
19.9 
19.1 
18.1 
17.1 
15.8 
14.1 
12.0 
9.1 
5.8 
2.9 
27 
23.1 
21.7 
20.7 
19.9 
18.9 
17.8 
16.4 
14.7 
12.5 
9.5 
6.1 
3.1 
28 
23.9 
22.5 
21.4 
20.5 
19.6 
18.5 
17.0 
15.3 
12.-9 
9.8 
6.4 
3.2 
29 
24.8 
23.3 
22.2 
21.3 
20.4 
19.2 
17.7 
15.9 
13.4 
10.1 
•6.7 
3.4 
30 
25.6 
24.1 
22.9 
22.1 
21.1 
19.8 
18.3 
16.4 
13.8 
10.5 
6.9 
3.5 

31 
26.5 
24.9 
23.8 
22.8 
21.9 
20.6 
19.0 
17.0 
14.3 
10.9 
7.2 
3.7 
32 
27.3 
25.7 
24.5 
23.5 
22.5 
21.2 
19.6 
17.5 
14.7 
11.3 
7.5 
3.9 
33 
28.1 
26.4 
25.3 
24.3 
23.3 
21.9 
20.3 
18.1 
15.3 
11.8 
7.8 
4.1 
34 
29.0 
27.2 
26.0 
25.1 
24.0 
22.7 
20.9 
18.6 
15.7 
12.2 
8.1 
4.2 
35 
29.9 
28.0 
26.9 
25.9 
24.8 
23.4 
21.6 
19.2 
16.3 
12.6 
8.4 
4.5 
36 
30.7 
28.7 
27.6 
26.6 
25.5 
24.1 
22.2 
19.7 
16.7 
13.0 
8.7 
4.6 
37 
31.5 
29.5 
28.4 
27.4 
26.3 
24.9 
22.9 
20.3 
17.2 
13.3 
9.0 
4.8 
38 
32.3 
30.3 
29.2 
28.2 
26.9 
25.5 
23.5 
20.9 
17.6 
13.7 
9.3 
5.0 
39 
33.1 
31.1 
30.0 
29.0 
27.7 
26.2 
24.2 
21.5 
18.1 
14.0 
9.7 
5.3 
40 
33.9 
31.9 
30.7 
29.7 
28.5 
26.9 
24.8 
22.1 
18.6 
14.4 
10.1 
5.5 
41 
34.7 
32.7 
31.5 
30.4 
29.2 
27.6 
25.5 
22.7 
19.1 
15.0 
10.3 
5.7 
42 
35.6 
33.5 
32.3 
31.2 
29.9 
28.3 
26.1 
23.2 
19.6 
15.3 
10.6 
6.0 
43 
36.4 
34.2 
33.0 
32.0 
30.6 
29.0 
26.8 
23.9 
20.1 
15.7 
11.0 
6.2 
44 
37.3 
35.0 
33.8 
32.7 
31.4 
29.7 
27.4 
24.4 
20.6 
16.1 
11.3 
6.4 
45 
38.1 
35.8 
34.6 
33.5 
32.1 
30.4 
28.1 
25.1 
21.1 
16.5 
11.7 
6.8 
120-foot trees. 
16 
14.0 
13.1 
12.4 
11.7 
11.1 
10.5 
9.8 
9.0 
7.8 
6.2 
4.4 
2.6 
1.6 
17 
14.8 
13.9 
13.2 
12.5 
11.9 
11.2 
10.4 
9.6 
8.4 
6.7 
4.8 
2.9 
1.3 
18 
15.6 
14.7 
13.9 
13.2 
12.6 
12.0 
11.0 
10.2 
8.9 
7.1 
5.2 
3.2 
1.5 
19 
16.4 
15.5 
14.7 
13.9 
13.3 
12.6 
11.7 
10.8 
9.5 
7.7 
5.6 
3.6 
1.9 
20 
17.3 
16.3 
15.5 
14.7 
14.0 
13.3 
12.4 
11.4 
10.0 
8.1 
5.9 
3.7 
2.0 
21 
18.0 
16.9 
16.3 
15.4 
14.7 
14.0 
13.1 
12.0 
10.6 
8.6 
6.3 
4.0 
2.2 
22 
18.9 
17.7 
17.0 
16.2 
15.4 
14.8 
13.8 
12.6 
11.2 
9.1 
6.6 
4.3 
2.5 
23 
19.6 
18.5 
17.8 
16.9 
16.2 
15.5 
14.4 
13.3 
11.7 
9.6 
7.0 
4.6 
2.6 
24 
20.5 
19.3 
18.6 
17.7 
16.9 
16.2 
15.1 
13.9 
12.3 
10.0 
7.4 
4.9 
2.8 
25 
21.3 
20.1 
19.3 
18.5 
17.7 
16.9 
15.8 
14.5 
12.9 
10.6 
7.9 
5.2 
3.0 
26 
22.1 
20.9 
20.1 
19.3 
18.4 
17.6 
16.5 
15.2 
13.5 
11.1 
8.3 
5.5 
3.2 
27 
22.9 
21.7 
20.9 
20.1 
19.3 
18.4 
17.2 
15.8 
14.0 
11.6 
8.8 
5.8 
3.4 
28 
23.8 
22.5 
21.6 
20.9 
20.1 
19.1 
17.9 
16.5 
14.6 
12.1 
• 9.2 
6.1 
3.6 
29 
24.6 
23.2 
22.4 
21.6 
20.9 
19.9 
18.5 
17.1 
15.2 
12.6 
9.6 
6.5 
3.9 
30 
25.5 
24.1 
23.2 
22.5 
21.7 
20.6 
19.2 
17.7 
15.8 
13.2 
10.0 
6.8 
4.0 
31 
26.4 
24.8 
24.0 
23.3 
22.5 
21.4 
19.9 
18.4 
16.4 
13.7 
10.5 
7.1 
4.3 
32 
27.3 
25.7 
24.8 
24.1 
23.3 
22.1 
20.8 
19.1 
17.0 
14.2 
11.0 
7.5 
4.4 
33 
28.1 
26.5 
25.6 
24.9 
24.0 
22.9 
21.5 
19.7 
17.5 
14.7 
11.4 
7.8 
4.7 
34 
29.0 
27.3 
26.4 
25.6 
24.8 
23.6 
22.3 
20.4 
18.1 
15.3 
11.9 
8.2 
4.9 
35 
29.8 
28.1 
27.1 
26.4 
25.6 
24.4 
22.9 
21.0 
18.7 
15.8 
12.4 
8.5 
5.1 
36 
30.7 
28.9 
27.9 
27.1 
26.3 
25.1 
23.6 
21.6 
19.3 
16.3 
12.8 
8.9 
5.3 
37 
31.6 
29.6 
28.7 
27.9 
27.1 
25.9 
24.3 
22.3 
19.9 
16.9 
13.2 
9.3 
5.6 
38. 
32.4 
30.5 
29.4 
28.6 
27.8 
26.6 
24.9 
22.9 
20.5 
17.4 
13.6 
9.6 
5.8 
39 
33.3 
31.2 
30.2 
29.4 
28.6 
27.3 
25.7 
23.6 
21.0 
17.9 
14.1 
10.0 
6.1 
40 
34.1 
32.0 
31.0 
30.2 
29.3 
28.0 
26.4 
24.2 
21.6 
18.4 
14.6 
10.3 
6.3 
41 
34.9 
32.8 
31.7 
31.0 
30.1 
28.8 
27.1 
24.9 
22.2 
18.8 
15.0 
10.7 
6.6 
42 
35.8 
33.6 
32.5 
31.7 
30.8 
29.5 
27.7 
25.5 
22.8 
19.3 
15.4 
11.1 
6.8 
43 
36.6 
34.4 
33.3 
32.5 
31.5 
30.2 
28.5 
26.1 
23.3 
19.8 
15.9 
11.6 
7.1 
44 
37.5 
35.2 
34.1 
33.3 
32.3 
31.0 
29.2 
26.8 
23.9 
20.3 
16.3 
11.8 
7.3 
45 
38.2 
35.9 
34.8 
34.0 
33.0 
31.6 
29.9 
27.4 
24.4 
20.8 
16.8 
12.2 
7.6 
46 
39.1 
36.8 
35.7 
34.7 
33.7 
32.3 
30.6 
28.1 
25.0 
21.3 
17.1 
12.5 
7.8 
47 
40.0 
37.6 
36.4 
35.5 
34.5 
33.1 
31.3 
28.8 
25.6 
21.8 
17.6 
12.9 
8.0 
