53 



Cross section at 18 feet from the ground of the average tree of the group. 

 Site/. — Dominant group of 16 trees. 



Cross Section: No. 1. 



Height from ground, 18 feet. 

 Width of bark, 22 millimeters. 

 Number of rings in sap, 44. 

 Width of sap, 32 millimeters. 

 Number of rings, 238. 



Number 











Accretion for 



of rings 











decades. 



(center to 



Radius. 



Diameter. 



Area. 









periph- 

 ery). 











Area. 



Diameter. 





Mm. 



M7n. 



Inches. 



Sq.ft. 



Sq.ft. 



Inches. 



10 



43 



86 



3.4 



0.06 



0.06 



3.4 



20 



79 



158 



6.3 



.22 



.16 



2.9 



30 



104 



208 



8.3 



.37 



.15 



2.0 



40 



124 



248 



9.9 



.53 



.16 



1.6 



50 



144 



288 



11.5 



.72 



.19 



1.6 



60 



159 



318 



12.7 



.88 



.16 



12 



70 



174 



348 



13.9 



1.05 



.17 



1.2 



80 



186 



372 



14.9 



1.21 



.16 



1.0 



90 



199 



398 



15.9 



1.38 



.17 



1.0 



100 



214 



428 



17.1 



1.59 



.21 



1.2 



110 



227 



454 



18.2 



1.81 



.22 



1.1 



120 



240 



480 



19.2 



2.01 



.20 



1.0 



130 



252 



504 



20.2 



2.22 



.21 



1.0 



140 



262 



524 



21.0 



2.40 



.18 



.8 



150 



270 



540 



21.6 



2.54 



.14 



.6 



160 



279 



558 



22.3 



2.71 



.17 



. 7 



170 



288 



576 



23.0 



2.88 



.17 



.7 



180 



296 



592 



23.7 



3.06 



.18 



.7 



190 



304 



608 



24.3 



3.22 



.16 



.6 



200 



312 



624 



25.0 



3.41 



.19 



.7 



210 



320 



640 



25.6 



3.57 



.16 



.6 



220 



328 



656 



26.2 



3.74 



.17 



.6 



230 



335 



670 



26.8 



3.92 



.18 



.6 



238 



341 



682 



27.3 















Ci'oss section oJ 34 feet from the ground of the average tree of the group. 

 Site/. — Dominant group of 16 trees. 



Ceoss Section: No. 2. 



Height from ground, 34 feet. 

 Width of bark, 18 millimeters. 

 Number of rings n sap, 48. 

 Widlb of sap, 32 millimeters. 

 Number of rings, 228. 



Number 











■ Accretion for 



of rings 











decades. 



(center to 



Eadius. 



Diameter. 



Area. 









periph- 

 ery). 











A-ea. 



Diameter. 





Mm. 



Mm. 



Inches. 



Sq.ft. 



Sq.f.- 



Inches. 



10 



39 



78 



3.1 



0.05 



0.05 



3.1 



20 



81 



162 



6.5 



.23 



.18 



3.4 



30 



106 



212 



8.5 



.39 



.16 



2.0 



40 



128 



256 



10.2 



.57 



.18 



1.7 



50 



145 



290 



11.6 



.73 



.16 



1.4 



60 



160 



320 



12.8 



.89 



.16 



1.2 



70 



172 



344 



13,8 



1.04 



.15 



1.0 



80 



186 



872 



14.9 



1.21 



.17 



1.1 



90 



199 



398 



15.9 



1.38 



.17 



1.0 



100 



213 



426 



17.0 



1.58 



.20 



1.1 



110 



225 



450 



18.0 



1.77 



.19 



1.0 



1?0 



235 



470 



18.8 



1.93 



.16 



.8 



130 



245 



490 



19.6 



2.09 



.16 



.8 



140 



253 



506 



20.2 



2 22 



.13 



.6 



150 



262 



524 



21.0 



2^40 



.18 



. 8 



160 



270 



540 



21.6 



2.54 



.14 



.6 



170 



277 



554 



22 2 



2.69 



.15 



.6 



180 



285 



. 570 



22.8 



2.83 



.14 



.6 



190 



293 



586 



28.4 



2.99 



.16 



.6 



200 



301 



602 



24.1 



3.17 



.18 



.7 



210 



310 



620 



24.8 



3.35 



.18 



.7 



220 



320 



640 



25.6 



8.57 



.22 



.8 



228 



325 



650 



26.0 















