PRACTICE OF TIMBER ESTIMATING 
175 
Estimate of about 7 acres of land, covered nearly throughout 
with white pine standing fairly evenly, but not as a rule very dense. 
Concluded after inspection that no such differences of type or 
Field Observations 
Computed Volumes 
Breast 
No. 
Observed Heights 
Deduced 
Scale 
Total 
Diam. 
Trees 
Height 
Each 
Scale 
8" 
85 
51-47-50-54-59 
50' 
50' 
4250' 
9 
70 
50-47-52-48-56-57 
55 
70 
4900 
10 
70 
69-55 
60 
95 
6650 
11 
75 
56-56-66-67-68 
65 
130 
9750 
12 
78 
72-75-69-80-69-63 
69 
162 
12636 
13 
69 
57-65-71-75-73 
73 
203 
14007 
14 
66 
77-75 
76 
245 
16170 
15 
81 
74-78-80-79-83 
78 
290 
23490 
16 
71 
74-80-85 
80 
335 
23785 
17 
63 
77-77-86-81 
80 
370 
23310 
18 
63 
77-83-86 
80 
405 
25515 
19 
52 
80-77 
80 
445 
23140 
20 
47 
75-82 
80 
485 
2L855 
21 
32 
79-83-81 
80 
525 
17800 
22 
12 
76 
80 
570 
6840 
23 
11 
79-82-83 
80 
620 
6820 
24 
6 
77-86-77-82 
80 
665 
3990 
25 
8 
87 
80 
715 
5720 
26 
3 
80 
770 
2310 
Total 
252938 
Plot of Observed Heights and 
Deduced Height Curve 
form existed as to call for differentiation of treatment. Instru¬ 
ments employed, caliper and Faustmann’s hypsometer. Steps of 
the survey as follows: 
a. Merchantable trees (those 8 inches and over in diameter 
breast high) calipered and scored in inch diameter classes. 
