/ { 



APPENDIX. 



199 



Table 68.— Pine, White— Yield Per Acre- Continued. 

 SOUTHERN NEW HAMPSHIRE— Continued. 

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

 Quality III. 



Age. 



Years. 



25 



30 



35 



40 



45 



50 



55. 



60 



65 



70 



75 



80 



85 



90 



Number 

 of trees. 



1 

 Basal 

 area. 





Squareft. 



2,430 



150 



1,840 



165 



1,250 



176 



870 



185 



640 



191 



510 



197 



430 



201 



380 



205 



340 



208 



310 



211 



280 



213 



260 



216 ■ 



240 



218 



220 



221 . 



Mean 

 height. 



Feet. 

 28 

 35 

 42 

 48 

 54 

 60 

 66 

 71 

 75 

 79 

 83 

 85 



Volume. 



Current 

 annual in- 

 crement. 



Mean an- 

 nual in- 

 crement. 



Cuhicft. 



Cuhicft. 



Cuhicft. 



2,300 





92 



3,033 



146 



101 



3,850 



163 



110 ; 



4,567 



143 



114 ! 



5,200 



126 



116 



5,833 



126 



116 



6,375 



108 



116 



6,900 



105 



115 



7,367 



93 



113 



7,817 



90 



112 



8,233 



83 



110 



8,600 



73 



107 



8,917 



63 



105 



9,233 



63 



103 



