44 
BULLETIN 820, U. S. DEPARTMENT OF AGRICULTURE. 
TaBLe 29.—Stand of trees on jack pine land, Roscommon and Crawford Counties, Mich. 
[Average of 190 acres. Measurements by T. H. Sherrard, 1901.] 
| 
; | Nees Nor- $1: 
Diameter breast high. ae - Reale way |Aspen. ued wu 
pine 
Inches. 
Res rps eget ele ie yates 11.86 | 2.09 | 0.291 0.42) 0.14] 0.20 
Dig at els PORE ae eee 15569509100 e 102) weg B28 Sn 
Sine ete ee an 14,43 1.20 . 10 . 03 -12 01 
Aap ae ane ee er 14. 47 97 - 08 .02 . 03 OB. 
SOR asec crate ea 12. 02 -03 04 .O1 . 02 01 
GEIR AT NR een Sse 8. 26 - 40 Osh Bee iON Peteersy oes 
Ue RCEN SCOR ONE Slt ee oeegee 4.68 . 26 Os pase SO 2p pees 
Sie seta gon ea eran ae 2.62 aL SOA eae a OD eae 
ORL Raa SSMU Sep ereceeay 2.69 07 AOI | egstett rs | acer esi ee 
1 NG Sree see ce ey etait er Sil -03 SOA nesters fe -O1 -O1 
[ote oe ee Se See aval . 04 BO ee et eh Se 
I AE irae as be ee, Sts say Wee et AQ AS Bhaeeee sya ela he or [Ea eens 
VS RCO se ae ea AOUA ecewecas 1024 bee eee pat | eae [epee | 
TD ays ne EE ies | eee aU ee ate cae SUA oe Us Salles eae | eed 
DO Sass a Bares ieee | eager yap ae 34 () 5m Bae Seats ra ayes ee cal pene ee 
DG edi ot eats Sa eR | ae Se HOSA eee tah sone | 
DT Seri Se Sey et ea A el Re SUL Spas] Ne Se le een as 
PS es So eeiais ee | Breer aioe a AQ) 1 ayes Sees ral | ieee ye .O1 
TQS ries eeeees oe Lerrenerere | Macatee en ages HOG tiie eysia teal Sloe ae pened 
Qa AE ok Coe ayald Wire: Say aecnel SV te Ba align (0) AA eee 01 
7 a a IR ae oN Pe Perce (hanna acta aaa eure ais cs |e Celie oH areas ss OL 
Dt ee Maer ea Sean rst ole eis we NU MSA neon acmaal besa atc 
DONS Efe eras Pao asenrs ete eon ales |S Re peered hee AOU | oe ier se be lee 
Totalenses ete ees 88-35 |b 9793: | 1236 67 -60 | 1.40 
IPEriCent ese ees 88.48 | 7.94] 1.36 . 67 . 60 . 40 
Average diameter......| 4.40 | 3.50] 10.30 | 1.80] 3.30] 6.10 
White |Tama- White 
oak. | rack, |SPF4ce| “‘gcn_ | Total 
0.08 OR04 ieee ee (OFA) sl eee 
ten ees - 00 COVE Oye Bal Peete Sl ees 
. 04 . O01 OL AOI les Sees 
-O1 AO eas S(O iar teees 
03 - 05 BOs fee een 0 ene Sean 
AQ) ial a een asa eee Mae a astas | Shahi es 
Fri) Ger Peep rens Naren OME Se ceed tlle ae 
OL zi iS | 0 ie eee | a pee a 
PE AQHES oe este ree gupeeaee peat 
pee care ER | Brass aS Pees eee 
S20 .18 07 .03 99.86 
aml .18 BOW .03 | 100.00 
5.10 3.60 3. 20 35008 Pees 
TABLE 30.—Stand of trees on jack pine land, site quality! in western Ontario—Average 
of 11 acres. 
[from an article by L. M. Ellisin the Forestry Quarterly, March, 1911.] 
Jack White Black | 
: : Aspen. = Balsam. 
iOS en pine. birch. spruce. | 
high. 
Average number of trees per acre. 
Inches. 
CE SEU Sense mee 1.0 26.2 0.8 nes ae se 
OEE aE eee 1.2 24.7 se 21.5 0.5 
(Gas Oia cue oe Nae 1.2 2205 4.2 19.2 25 
y Peseta Ln eae) hy ae 6.0 25.0 BR 15.2 0) 
CCH eae i a ing Mae 12.5 16.7 4.2 9.5 Adi 
QOre Ream Ie 17.5 7.0 4.5 6.5 50 
Qi Ceara are cae 12.5 2.5 Boe 2.5 50 
IP lessees eter a ees 12.2 ite 3.0 Dae 2D 
ADEA SG eae 11.2 1.2 2e5 Lert 225 
TB ae Bie alert ree 11.0 a5 iy . 02 5D 
TAC Si eee ates (Ta RE eee eas ie lax Aenea =25 
bee. oe aea tera Sele ear eters SOP Aa epee eee lien se 
Lee eae ae ey DEO Se aR ce eT Sa a |-------2--]---2222-- 
Motallaases 93.0 128.0 27.0 91.0 4.0 
Pencenta ase e 27.0 37.0 8.0 27.0 1.0 
Trees 10 inches and over in diameter, breast high. 
Mo taleeeer: 57.0 59.0 11.6 6.4 1.50 
IP eTACEMGses see ee 42.0 44.0 8.4- 4.6- 1.0 
Yield of jack pine on these acres about 25 per cent higher than the average for this typein western Ontario, 
1 Deep, well-drained soil on which jack pine produces its largest returns in sizes suitable for cross ties. 
