﻿56 



BULLETIN 11, U. S. DEPARTMENT OF AGRICULTURE. 



Table 42. — Mill cut in board feet from small trees of different diameters and heights when 

 cut into 4-foot sections and sawed into flitch or into 1-inch boards by mills in Wicomico 

 County, Md. 



Mill cut of trees cut up into 4-foot logs and sawed into inch boards and fliteh. 



Diam- 

 eter 

 breast- 

 high. 



Height of tree (feet). 



30 



35 



40 



45 



50 



55 



60 



65 



70 



Volume in board feet, cut into inch boards. 



Inches. 

 4 

 5 

 6 



7 

 8 



4 

 5 



6 



7 

 8 



3 

 5 

 9 

 13 

 18 



3 



6 



11 



15 



21 



3 



7 



12 



18 



25 



4 

 8 

 14 

 20 

 29 



4 



9 



16 

 23 

 33 



















17 

 26 

 37 



19 

 29 

 42 











47 



52 



Volume in board feet, cut into flitch. i 



4 



7 



12 



17 



23 



4 

 8 

 14 

 20 

 27 



4 

 9 



16 

 23 

 32 



* 5 

 10 

 18 

 26 

 37 



5 

 12 

 20 

 30 

 42 



















23 

 34 



47 



25 

 38 

 53 











60 



67 



1 Sawed into flitch, i. e., plank, 2 3 , inches thick, having one waney edge. The width measured in scaling 

 is the average width on the narrow side. 



Based on taper curves, scaled as 4-foot logs. 

 Diameter inside bark of top, 2.5 inches. 

 Stump height assumed, 1 foot. 

 Circular saw, ^-mch kerf. 



Table 43. — Number of board feet by grades of North Carolina pine rough lumber sawed 

 from trees of different diameters by mill in Gates County, N. C. 



i 



3 





Grade. 















M 



03 

 & ■ 



M 



C3 



o 



d 



d 



CO 



d 



d 



d m 



03 



a m 



03 







s 



XI 















"ol 



.a 













.3 

 ft 



w 





Vol 



jme (board f 



set). 





o 



03 



Inches. 



Feet. 



















7 

 8 

 9 



47 

 50 

 54 







2.5 

 6.5 

 8.4 



16.7 

 19.4 

 23.5 



2.0 

 2.1 

 2.3 



2.7 

 3.1 

 3.6 



23.9 

 31.1 

 40.0 



l 



7 







1.3 



0.9 



10 



57 



2.8 



2.3 



9.5 



30.0 



2.5 



4.0 



51.1 



45 



11 



60 



4.8 



4.0 



11.4 



39.4 



2.9 



4.3 



66.8 



77 



12 



62 



7.3 



6.0 



14.7 



52.1 



3.4 



4.6 



88.1 



65 



13 



64 



10.8 



8.6 



20.8 



68.0 



4.0 



4.7 



116.9 



71 



14 



66 



15.6 



12.6 



28.8 



84.9 



4.8 



4.6 



151.3 



55 



15 



68 



22.5 



19.1 



37.3 



100.0 



5.5 



4.4 



188.8 



29 



16 



70 



30.9 



25.0 



45.6 



112.1 



6.2 



4.0 



223.8 



29 



17 



71 



39.8 



28.2 



53.7 



122.2 



6.9 



3.5 



254.3 



14 



18 



72 



49.1 



29.9 



62.0 



131.0 



7.5 



3.0 



282.5 



6 



19 



74 



58.3 



30.9 



70.6 



139.0 



8.1 



2.4 



309.3 



5 



20 



75 



67.5 



31.7 



79.5 



146.4 



8.8 



1.8 



335. 7 



1 





