THE NORTHERN" HARDWOOD FOREST. 



53 



Table 25. — Sugar maple in the Lake States, 1 volumes in board feet. 



AVERAGE TOP DIAMETERS. 



Diameter, 

 breast- 

 high. 



Inches. 



Number of 16-foot 



Volume— board feet. 



25 

 30 

 37 

 43 

 50 

 57 

 65 

 73 

 83 

 93 

 100 



31 



40 

 47 

 59 

 70 

 82 

 95 

 110 

 120 

 140 

 160 

 180 

 200 

 220 

 250 

 280 

 310 

 340 

 370 



38 

 50 

 62 

 76 

 91 

 110 

 130 

 150 

 170 

 190 

 220 

 240 

 270 

 300 

 340 

 370 

 410 

 460 

 500 

 550 

 600 

 650 



76 

 93 

 110 

 130 

 160 

 180 

 210 

 240 

 270 

 300 

 340 

 380 

 420 

 470 

 520 

 570 

 630 

 690 

 760 

 820 



94 

 110 

 140 

 160 

 190 

 220 

 250 

 280 

 320 

 370 

 410 

 460 

 520 

 580 

 640 

 710 

 780 

 860 

 940 

 1,020 

 1,110 



170 



190 



220 



250 



290 



330 



380 



430 



490 



550 



620 



690 



770 



840 



930 



1,020 



1,110 



1,210 



1,300 



Diameter, 





inside 

 bark of 



Basis. 



.top. 





Inches. 



Trees. 



6 



21 



e 



35 



6 



23 



6 



26 



7 



25 



7 



20 



7 



22 



8 



16 



8 



22 



9 



7 



9 



13 



10 



6 



10 



9 



11 



7 



12 



7 



12 



6 



13 



2 



14 



6 



15 



1 



15 



2 



16 





17 





17 



2 





278 



1 Gogebic and Wexford Counties, Mich.; Marinette and Vilas Counties, Wis. 



Scaled from taper curves by Scribner Decimal C rule; mostly in 16.3-foot logs, with a few shorter 

 where necessary. Stump height, 1 foot. Average utilization. 



Table 26. — Sugar maple in the Lake States, 1 volumes in board feet. 

 MINIMUM TOP DIAMETERS. 



Diameter, 

 breast- 

 high. 



Number of 16-foot logs. 



Diameter, 



inside 



bark of 



top. 



Basis. 



2 2§ | 3 3| 4 | 4i 5 



Volume — board feet. 



Inches. 

 8 

 9 

 10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 



28 



36 



44 



53 



63 



74 



86 



98 



110 



120 



140 



38 



49 



60 



73 



86 



100 



110 



130 



140 



160 



180 



48 

 60 

 74 

 89 

 100 

 120 

 140 

 160 

 180 

 200 

 220 

 240 

 270 

 290 

 320 

 360 

 390 

 430 

 480 

 530 

 590 

 650 

 720 











Inches. 



6 



6 



6 



6 



6 



6 



6 



6 



6 



6 



6 



6 



6 



7 



7 



8 



8 



9 



10 



10 



11 



12 



13 



Trees. 



21 



35 



23 



26 



25 



20 



22 



16 



22 



7 



13 



6 



9 



7 



7 



6 



2 



6 



1 



2 



2" 



























120 

 140 

 160 

 190 

 210 

 240 

 260 

 290 

 320 

 360 

 390 

 440 

 480 

 530 

 590 

 650 

 720 

 810 

 900 



150 

 170 

 190 

 210 

 240 

 270 

 300 

 340 

 380 

 ' 430 

 480 

 530 

 590 

 650 

 720 

 800 

 890 

 980 

 ♦ 1,080 











220 

 250 

 280 

 320 

 360 

 400 

 450 

 500 

 560 

 630 

 700 

 770 

 860 

 950 

 1,050 

 1,160 

 1,280 



260 



290 



330 



370 



420 



470 



520 



590 



660 



730 



820 



910 



1,000 



1,120 



1,230 



1,360 



1,500 



















































278 



1 Gogebic and Wexford Counties, Mich.; Marinette and Vilas Counties, Wis. 



Scaled from taper curves by the Scribner Decimal C rule; mostly in 16.3-foot logs, with a few shorter 

 logs where necessary. Stump height, 1 foot. Close utilization. 



