APPENDIX. 



201 



Table 70.— Pine, White— Yield Per Acre— Of Thinnings. 



SOUTHERN NEW HAMPSHIRE. 

 [Data gathered by L. Margolin for Graded Mill Tallies, 1906.) 



Age. 



Quality I. 



Quality II. Quality III. 



Total thinning 

 per acre. 



Trees 

 under 

 5 inches 

 in di- 

 ameter 

 breast- 

 high. 



Total thinning 

 per acre. 



Trees 

 under 

 5 inches 

 in di- 

 ameter 

 breast- 

 high. 



Total thinning 

 per acre. 



Trees 

 under 

 5 inches 

 in di- 

 ameter 

 breast- 

 high. 



Yrs. 

 25 

 30 

 35 

 40 

 45 

 50 

 55 

 60 

 65 

 70 

 75 

 80 

 85 

 90 



Cubic 



feet. 



1,350 



1,730 



1,980 



2,120 



2,240 



2,280 



2,280 



2,260 



2,200 



2,100 



1,950 



1,700 



Board 



feet. 



2,000 



4,500 



6,800 



8,700 



10,100 



11,200 



12,000 



12,300 



12,300 



11,900 



11,100 



9,500 



Cubic 



feet. 

 830 

 660 

 480 

 270 

 60 















Cubic 

 feet. 



900 

 1,380 

 1,680 

 1,900 

 2,040 

 2,100 

 2,100 

 2,000 

 1,850 

 1,630 

 1,300 

 860 

 200 



Board 

 feet. 



750 



3,300 



5,600 



7,500 



8,900 



9,900 



10,400 



10,600 



10,300 



9,500 



8,000 



5,000 



1,200 



Cubic 



feet. 

 750 

 600 

 450 

 300 

 150 



Cubic 

 feet. 



600 



1,090 



1,440 



1,640 



1,750 



1,800 



1,780 



1,700 



1,590 



1,420 



1,200 



920 



650 



370 



Board 

 feet. 



2,200 

 4,300 

 5,800 

 6,900 

 7,600 

 8,100 

 8,300 

 8,200 

 7,800 

 6,900 

 5,600 

 4,000 

 2,300 



Cubic 



feet. 

 600 

 500 

 400 

 300 

 200 

 80 





















i 









NcTE.— Volume in board feet is round-edged box board material. 



