72 BULLETIN 272, U. S. DEPARTMENT OF AGRICULTURE. 
Taste 20.— Volume in board feet of cypress based upon breast-high diameters, by Doyle 
and the two-thirds log rule (South Carolina)—Continued. 
f 
; a 5 : Diameter 
Dreere Doyle as Total Used | Length | Stump | (inside | ». 4, 
ce rule. height. | length. | offog. | height. | bark) aS 
high. rule. | of to 
| a 
| 
Inches. Bd. ft. Bd. ft. Feet. Feet. Feet. Feet. Inches. Trees. 
41 1, 683 1,424 105 61 19 4.0 PALS Tl 2 
49 1,752 1,480 106 62 18 4.0 22.0 2 
43 degon 1,538 107 OME oa ae 4.0 Pp ae tes Bans oie 
44 1,890 1,591 108 62 19 4.0 22.6 5 
45 1,959 1,649 108 63 18 4.1 22.9 2 
46 2,025 1,701 109 63 16 4.1 23.1 1 
47 2,092 1,759 110 63 18 Aa 23.4 1 
48 2,160 1,815 111 63 18 4.1 23.6 3 
49 2,230 1,872 =itelal Oy a [eee aes See 4.1 23 SONaa aes Sere 
50 | 2.300 | 1,930 112 | ical sega AA Gl <5 2 DAG alee eee 
Pe ee a 
I | 
Tas 21.— Volume of merchantable cypress in board feet by the Scribner and Doyle rules 
for cypress in Louisiana 
Ketee Diam |p Solume: Mer: Die 
Bn reade eter Total | chant- Len eth | Stump ae Basis 
Davia breast- : height.| able | of log. 2 heen z — | trees. 
20 feet. aes ner. vee ae | of top. 
Board | Board | — 
Inches.| Inches.| feet. feet. Feet. Feet. 
a 
8 NWA ost ene 20 65 33 
Feet. Feet. | Inches. 
ee nieligs aa: a5 eee wee 
Gil) aaiaes 50 40 70 361 33 3.8 6.2 3 
10) | PRA5NG 95 60 75 Aye cause | aah Gr Oh le eee 
Hele e070 140 80 79 43 Benie Shy 7.6 i 
12% 184 190 110 84 47 93) aston 3ens 6 
13) 19.8 240 140 88 50 B41 9305, | 0a 4 
Te, LOTT 290 180 91 BA 31 371 9.8 5 
16) 229.41 350 230 95 57 DD) eesue le ions 7 
16| 23.81 410 930 98 59 23 giz | Uetdoe 8 
17| 25.1 490 340 101 62 4 ai7 Fe te9 5 
13| 26.3 560 |. 400| 103 64 (a\aeaaus |. 126 2 
19| 27.6 650 | 480 105 66 33 3.9] 13.3 4 
20 | 22.8 740 560 107 67 33 321 140 1 
21 | 30.0 840 660 109 69 Bs SoG 1 
22|- 31.2 950 770 ill 70 2012) 421 153 9 
93| 32.4] 1,080| — 390 113 ral | 3.01 15.9 1 
24| 33.6] 1210] 1,020 114 72 301 35 | ese 1 
251 - 34-71 1.350) 1.170 116 iB emer asa ane (7S ee 
96| 35.9] 1,510| 1,330 117 ran at tape 7E9 ee 
27|. 37.1 | 1,670| 1,500 118 74 3 305i Sige i 
: 93 | 38.2] 1,850 | - 1,680 119 75 30 5.0 | 19.3 2 
2991 39.4]. 2)020| 1/870 120 75 98 40] 19.9 1 
30| 40.51 2/200] 2/060 121 76 34:| a3. 5 le O06 1 
| 55 
| 
1 Based upon measurement of 55 trees and must be considered rather as tentative than final. Tables 
for South Carolina are generally applicable. 
2 Uncurved. 
Referring to Table 18, for example, one learns that a 3-log tree, with a butt log 18 
inches in diameter at the upper end contains 400 board feet of merchantable lumber; 
also that such trees are cut on an average to a top diameter of 12 inches measured inside 
the bark. The tables are based upon full scale of sound timber. Another form of 
measurements (Table 20) gives the volume of trees of a specified breasthigh diameter 
by the Doyle and two-thirds log rules in South Carolina; also the average total height 
and length, average length of log, stump height, and diameter to which the trunk is 
utilized.? 
Although based upon insufficient measurements, Table 21 is included here for 
reference and comparison. It will be found useful for rough approximation for which 
1 Since these measurements were taken, utilization in logging has advanced considerably, so the figures 
are likely to be too low in total volume and used Jength and too high in top diameter and stump height. 
x 
