36 



BULLETIN 152, U. S. DEPARTMENT OF AGRICULTURE. 



Table 18 shows the average amount of bark obtainable per 1,000 

 board feet from hemlock trees of different sizes in the Southern 

 Appalachians. 



Table 18. — Cords of bark per 1,000 board feet (Doyle-Scribner) for hemlock trees of 

 different sizes in the Southern Appalachians. 1 



Diameter 



Cords per 



Diameter 



Cords per 



Diameter 



Cords per 



breast- 



1,000 board 



breast- 



1,000 board 



breast- 



1,000 board 



high. 



feet. 



high. 



feet. 



high. 



feet. 



Inches. 





Inches. 





Inches. 





12 



2.8 



18 



1.1 



25 



0.6 



13 



2.3 



19 



1.0 



26 



.6 



14 



1.9 



20 



.9 



27 



.5 



15 



1.6 



21 



.8 



28 



.5 



16 



1.3 



22 



.8 



29 



.5 



17 



1.2 



23 

 24 



.7 

 .7 



30 



.4 











1 From data secured under the direction of Walter Mulford, 1905-6. 



Table 19. — Volume of hemlock bark, in cords, for trees over and under 100 feet in height, 

 Southern Appalachian region} 





Trees 100 



Trees 100 







Trees 100 



Trees 100 







feet and 



feet and 







feet and 



feet and 





Diameter 



under. 



over. 



Basis. 



Diameter 



under. 



over. 



Basis. 



breast-high. 







breast-high. 







Volume of bark. 



Volume of bark. 



Inches. 



Cord. 



Cord. 



Trees. 



Inches. 



Cord. 



Cord. 



Trees. 



10 

 11 

 12 

 13 

 14 

 15 



0.10 

 .11 

 .11 

 .12 

 .13 

 .14 





1 

 1 

 2 

 5 

 12 

 14 



31 

 32 

 33 

 34 

 35 



0.42 

 .43 

 .45 

 .47 

 .48 



0.48 

 .50 

 .52 

 .55 

 .57 



26 

 18 

 23 

 20 

 14 











0.18 











36 



.50 



.59 



14 



16 



.15 



.19 



20 



37 



.52 



.62 



8 



17 



.17 



.21 



30 



38 



.53 



.64 



11 



18 



.19 



.23 



35 



39 



.55 



.67 



5 



19 



.21 



.25 



33 



40 



.56 



.69 



5 



20 



.23 



.26 



28 



















41 



.58 



.72 



4 



21 



.25 



.28 



• 36 



42 



.60 



.75 



6 



22 

 23 

 24 

 25 



.27 

 .29 

 .30 

 .32 



.30 

 .32 

 .34 

 .36 



35 

 50 

 30 

 36 



43 

 44 

 45 





.78 

 .81 

 .84 



1 







1 





26 

 27 

 28 

 29 



.34 

 .35 

 .37 

 .39 



.38 

 .40 

 .42 

 .44 



33 

 38 

 32 

 22 



46 



47 

 48 





.87 

 .91 

 .94 



2 

 2 



2 















682 



30 



.40 



.46 



27 











1 Prepared under the direction of Walter Mulford, 1905-6. 



