A FOREST WORKING PLAN. 



411 



The following table gives in board feet by old Scribner Rule the present yield 

 of yellow birch on Township 6 to limits of fifteen, seventeen and nineteen inches, 

 diameter breasthigh. The table shows, also, the total present yield and the 

 average yield per acre on each compartment in the township for spruce land, 

 and swamp, separately and combined. 



TABLE XX.— BIRCH — PRESENT YIELD —TOWNSHIP 6. 

 Merchantable Yield in Board Feet by Old Scribner Rule. 









Cutting to a Limit of 



Cutting to a Limit of 



Cutting to a Limitof 









15 Inches in 



i 7 I 



nches in 



19 Inches in 









Diameter Breasthigh. 



Diameter Breasthigh. 



Diameter Breasthtgh. 



NUMBER OF 



Type. 



Area. 











COMPARTMENT. 



Average 





Average 





Average 











yield 



Total yield. 



yield 



Total yield. 



yield 



Total yield. 









per acre. 





per acre. 





per acre. 









Acres. 



, Board feet. 



Board feet. , 



Board feet. . 



11 



! 1 



84 



280 



23, 520 



247 



20, 748 



226 



18,984 



Ill 



j ■• 



8,490 



2, 475 



21,012, 750 



2, 226 



18, 898, 740 



1,883 



1.5,986,670 



IV 



1 Spruce 1 



2,587 



2,416 



6,251,092 



2,159 



5,585,333 



I,8l2 



4,687,644 



V 



Land 1 



I,6ll 



3,494 



5,628,834 



3,132 



5,045,652 



2,695 



4,341,645 



VI 





1,332 



2,264 



3,015,648 



1,982 



2, 64O, 024 



I,6l5 



2, 151, l80 



VII 



1 1 



r 



1,194 



3.012 



3,596,328 



2,655 



3,170,070 



2,243 



2. 678, 142 



Total . . . 



15,298 



2,584 



39,528,172 



2,3H 



35,360,567 



1,952 



29, 864, 265 



II 



Ill 



38 



3,666 

















947 



3,47L702 



746 



2, 734, 836 



516 



1,891,656 



IV 



)- Swamp-! 



1,022 



729 



745,038 



542 



553,924 



411 



527, 352 



V 





1,168 



794 



917,392 



676 



789, 568 



493 



575,824 



VII .' . . • . 



J I 



1 ( 



270 



750 



202, 500 



486 



131,220 



314 



84, 780 



Total . . . 



6,164 



866 



5,336,632 



683 



4, 209, 548 



500 



3,079,612 



II 



122 



193 



23, 520 



170 



20, 748 



156 



18,984 



Ill 



1 Spruce 



12,156 



2,014 



24,484,452 



1,780 



21,633,576 



1,470 



17,878,326 



IV .... . 



Land 



3,609 



i,938 



6,996,130 



1, 701 



6,139,257 



1,445 



5,214,996 



V 



and 

 ] Swamp 1 



2,779 



2, 355 



6, 546, 226 



2, 100 



5,835,220 



1,770 



4,917,469 



VI 



1,332 



2,264 



3,015,648 



1,982 



2, 640, 024 



1,615 



2, 151, l80 



VII . . . . . 



J I 



1.464 



2,595 



3,798,828 



2,255 



3,301,290 



1,887 



2, 762, 922 



Total . . . 



21,462 



2,090 



44, 864, 804 



1,844 



39,570,115 



1,535 



32,943,877 



