JACK PINE. Al 
TaBLE 23.— Total volume of stemwood in cubic feet of jack pine trees of different diameters 
and heights in Minnesota. 
[ Based on taper curves.] 
Total height of trees (feet). 
1D 0118) er rn a ay aa 
eter 2 ; é asis. 
Breast 20 | 30 | 40 50 | 60 | 70 | 80 Bark. | Basis 
a 
Total volume, including bark (cubic feet). 
IEG 
Inches cent. | Trees 
Dee 0.3 0.4 ORD aero claict nae care [loses ee cece nye a 22.8 15 
She .6 (8) 1.0 A oS Les oes ete ey ec nel Da Qid 28 
Aes is al 1.4 1.8 Poe Sy NNN pe lice te ces ee Ale ce eh 20.0 66 
Noe Leg, 2.1 Paes { SSRN AUT Coe Ta pac) Fe ASR 19.0 73 
Boe 25 oul 3.9 5.0 6.1 Tp Leeal re seo 18.1 93 
Wee 3.4 4.2 Bad 6.8 8.3 SVE fap weal eae 17.4 95 
See 4.4 5.4 6.7 8.7 10.7 1245 14.8 16.9 72 
QI as | ee arava cy O20, 8.5 10.8 1383 15.8 18.7 16.4 62 
WK Js reel ety oe 8.3 10.3 13.4 16.0 19:1 2350) 2b 1050. 64 
TENE Wiese M NIA aster beers aed 12. 4 15.8 19.4 23.0 27.0 1556 36 
LIA Bl eee i eh 14.5 18.5 23.0 27.0 32.0 1oe2, 27 
TPS ie ree |e cen neste as len ptcn seats 16.6 22.0 26.0 31.0 38.0 14.7 10 
AS ie | ate tesa! cs a Sh 19.2 25.0 30.0 36.0 43.0 14.2 8 
US ol pes ea Sarees bene ea eae eae Hr a 28.0 34.0 40.0 49.0 13.6 2 
TA Gere |e ce | a ete Se 31.0 38.0 46.0 55.9 13.0 4 
Ieee eae eee bee ade cele See 35.0 43.0 51.0 61.0 12.3 3 
1S ciel el Ls a a 38.0 47.0 56.0 66.0 pi eave aoa ope eae 
I S6) Se es SS ea Coe eK eee 52.0 62.0 74.0 OSs eR ay saat 
Lo EOE A ee pl ete ta bia ae a epege aN PUR te 56.0 | 67.0 | 80.0 ON Siit ier ee 
| 658 
TABLE 24.— Merchantable volume of stemwood in cubic feet of jack pine trees of different 
diameters and heights in Minnesota. 
[Based on taper curves. Stump height, 1 foot; top diameter outside bark, 3 inches ] 
Total height of trees (feet). 
se ele 20 | 30 40 50 60 | 70 | 80 | Bark. | Basis. 
high. |— 
Merchantable volume, including bark (cubic feet). 
Per 
Inches. cent. Trees 
ih 0.9 1.1 1165) Dene liv vecsyrraan es OORT Ee gx 8 8 20.0 66 
ae 14! 1.8 2a sta hc eet nese ala cr FA 19.0 73 
Goes 2a, Der, fk a0 4.6 6.8 FiO UO ieee eee 18.1 93 
dest: 3.0 3.8 4.8 6.3 Tes QA Wail ice yey beat 17.4 95 
Bk. 4.0 4.9 6.1 8.0 10.1 12.0 14.2 16.9 2, 
LU) AN Te ete a 6.2 7.8 10.2 175) 15.2 18.0 16.4 62 
LOMESs cee eta od 9.6 119), 8) 15.4 18.3 22.0 16.0 64 
1 aed se eee (eee 11.4 14.8 18.2 22.0 26.0 15.6 36 
LD at © Pa Oi Sand oe ae oe 13.5 17(a3} 22.0 26.0 31.0 Lbs2 27 
THB ence Ny Us Slayer [as ahaa ta Taya 20.0 25.0 30.0 36.0 14.7 10 
1G ep i cari | Bee St 18.0 23.0 29.0 34.0 41.0 14.2 8 
Ip Sees | reyes een re Ses prea Se 26.0 32.0 39.0 47.0 13.6 2 
1 Moyes Sea | Se a | aoe pg | [ae 29.0 37.0 44.0 52.0 3.0 4 
fhe Sls See al bie a Ge a ee 33.0 41.0 49.0 59.0 12.3 3 
1 Sie | ee penta Por aga |i at t o 36.0 46.0 54.0 65.0 TAGS il be ee cee 
Ce es | Lea rea A Eee Make bce |e 50.0 59.0 72.0 TOF fasoll [dase Src 
D0 eres ae Prt ed ee Ran ve GT 55.0 66.0 79.0 ON Sid eee easton 
