36 SECOND-GROWTH HARDWOODS IN CONNECTICUT. 



Table 18. — Yield in cubic feet — chestnut type, quality II. 





Height 

 of domi- 

 nant 

 trees. 



Diameter 

 breast- 

 high of 

 average 

 tree. 



Number 

 of trees 

 per acre. 



Basal 



area per 



acre. 



Yield per acre. 



Age. 



Living 

 trees. 



Living 

 and mer- 

 chant- 

 able 

 dead 

 trees. 



Years. 

 15 



Feet. 

 30 

 40 

 48 

 54 

 60 

 64 

 68 

 71 

 74 

 76 

 77 

 79 

 80 



Inches. 

 2.6 

 3.6 

 4.5 

 5.3 

 6.1 

 6.8 

 7.5 

 8.2 

 8.8 

 9.4 

 9.9 

 10.5 

 11.0 



1,160 

 930 

 800 

 675 

 560 

 490 

 425 

 370 

 335 

 300 

 280 

 255 

 240 



Sq.ft. 

 43 

 66 

 89 

 103 

 114 

 123 

 130 

 136 

 141 

 146 

 150 

 154 

 157 



Cu.ft. 

 800 

 1,220 

 1.720 

 2.250 

 2.760 

 3,190 

 3,570 

 3,880 

 4,170 

 4.420 

 4,660 

 4,870 

 5,060 



Cu. ft. 



' 860 



20 



1,300 



25 



1.850 



30. 



2.400 



35 



2,900 



40 



3,350 



45 



3,720 



50 



4. 050 





4,330 



60 



4.600 



65 



4.850 



70 



5.070 





5,280 







Table 19. — Yield in cubic feet— chestnut type, quality III. 





Height 

 of domi- 

 nant 

 trees. 



Diameter 

 breast- 

 high of 

 average 

 tree. 



Number 

 of trees 

 per acre. 



Basal 



area per 



acre. 



Yield per acre. 



Age. 



Living 

 trees. 



Living 

 and mer- 

 chant- 

 able 

 dead 

 trees. 



Years. 

 15 



Feet. 

 21 

 30 

 37 

 44 

 50 

 55 

 59 

 62 

 64 

 67 

 68 

 70 

 71 



Inches. 

 2.0 

 2.7 

 3.5 

 4.3 

 5.0 

 5.6 

 6.2 

 6.8 

 7.3 

 7.8 

 8.3 

 8.7 

 9.2 



1,360 

 1,180 

 990 

 790 

 670 

 580 

 500 

 450 

 400 

 360 

 330 

 310 

 290 



Sq.ft. 

 30 

 47 

 66 

 80 

 91 

 99 

 106 

 112 

 117 

 121 

 125 

 129 

 132 



Cu.ft. 

 520 

 780 

 1,140 

 1,550 

 1,980 

 2,330 

 2.640 

 2, 900 

 3,130 

 3,330 

 3,490 

 3,635 

 3.775 



Cu.ft. 

 580 



20 



900 



25 



1,280 



30 



1, 720 



35 



2.130 



40 



2,520 



45 



2,830 



50 



3,100 



55 



3, 330 



60 



3. 540 



65 



3,720 



70 



3.880 



75 



4.020 







Table 20. — Yield in cubic feet — oak-chestnut type, quality I. 





Height 

 of domi- 

 nant 

 trees. 



Diameter 

 breast- 

 high of 

 average 

 tree. 



Number 

 of trees 

 per acre. 



Basal 



area per 



acre. 



Yield per acre. 



Age. 



Living 

 trees. 



Living 

 and mer- 

 chant- 

 able 

 dead 

 trees. 



Years. 

 15 



Feet. 

 35 

 46 

 55 

 62 

 68 

 73 

 77 

 SO 

 83 

 85 

 87 

 89 

 90 



Inches. 

 2.9 

 4.0 

 4.9 

 5.8 

 6.6 

 7.4 

 8.2 

 8.9 

 9.6 

 10.3 

 10.9 

 11.5 

 12.1 



1,130 

 910 

 750 

 610 

 525 

 455 

 400 

 360 

 320 

 290 

 270 

 250 

 235 



Sq.ft. 

 52 

 79 

 98 

 112 

 125 

 136 

 140 

 155 

 162 

 169 

 175 

 181 

 1S6 



Cu.ft. 

 810 

 1.390 

 2.0S0 

 2,700 

 3,190 

 3,600 

 3,950 

 4.250 

 4.530 

 4,800 

 5,050 

 5,280 

 5,500 



Cu.ft. 

 830 



20 



1,440 



25 



2,150 



3D 



2,820 



35 



3.350 



40 



45 



3,780 

 4,150 



50 



4,480 



55 



4,780 



60 



5,060 



65 



5.320 



70 



5,550 



75 



5,770 







