26 BULLETIN" 152, XT. S. DEPARTMENT OP AGRICULTURE. 



Table 9. — Grovjth of hemlock in the Southern Appalachian Mountains} 





Diameter breast-high— inches. 



Height — feet. 





All types. 



Slope type. 



Cove 

 type. 



All types. 



Slope type. 



Cove 

 type. 



Age. 



West 

 Vir- 

 ginia. 



Ten- 

 nessee. 



North 

 Caro- 

 lina. 



West 

 Vir- 

 ginia. 



Ten- 

 nessee. 



North 

 Caro- 

 lina. 





Mini- 

 mum. 



Maxi- 

 mum. 



Aver- 

 age. 



Aver- 

 age. 



Aver- 

 age. 



Mini- 

 mum. 



Maxi- 

 mum. 



Aver- 

 age. 



Aver- 

 age. 



Aver- 

 age. 



Years. 

 20 



0.1 



.7 



1.2 



1.8 



2.3 

 2.8 

 3.3 

 3.8 

 4.3 



4.8 

 5.2 

 5.6 

 6.0 

 6.4 



6.8 

 7.2 

 7.6 

 8.0 

 8.3 



4.0 

 6.7 

 9.0 

 11.2 



13.1 

 15.0 

 16.9 

 18.8 

 20.6 



22.5 



24.3 

 26.2 

 28.0 

 30.0 



31.9 



33.8 

 35.7 

 37.5 

 39.5 



0.4 



.9 



1.3 



1.9 



2.4 

 2.9 

 3.6 

 4.2 

 4.9 



5.6 

 6.4 

 7.3 

 8.1 

 8.9 



9.9 

 10.9 

 11.9 

 12.7 



0.2 



.9 



1.9 



3.0 



4.1 

 5.3 

 6.7 

 8.0 

 9.4 



10.7 

 11.8 

 12.9 

 14.0 

 15.1 



16.1 

 17.1 

 18.1 

 19.1 







29 

 41 

 53 

 63 



71 

 79 

 86 

 92 



98 



103 

 107 

 111 

 114 

 117 



120 

 122 

 125 

 127 

 129 









30 



1.1 

 2.2 



3.4 



4.7 

 6.2 

 7.6 

 9.1 

 10.5 



11.9 

 13.2 

 14.5 

 15.5 

 16.5 



17.4 

 18.3 

 19.2 

 20.0 

 20.7 



9 



11 

 14 



16 

 19 

 21 

 23 

 25 



28 

 30 

 32 

 34 

 35 



37 

 39 

 41 

 43 

 44 



11 

 14 



17 

 20 

 24 

 27 

 31 



34 

 39 

 43 

 47 

 51 



56 

 60 

 64 

 67 

 70 



9 

 16 

 23 



30 

 37 

 44 

 • 51 

 58 



64 

 69 



73 

 77 

 81 



84 

 87 

 90 

 93 

 95 



15 



40 



23 



50 



30 



60 



36 



70 



80 



90 



42 

 47 

 53 



100 



110 



120 



130 



140 



150 



160 



170 



58 



62 

 66 

 70 

 73 

 76 



78 

 81 



180 



83 



190 



85 



200... 



13.5 | 20.0 



87 









Volume — cubic feet. 



Volume — board feet. 





All types. 



Slope type. 



Cove 

 type. 



All 



types. 



Slope type. 



Cove 

 type. 



Age. 



West 

 Vir- 

 ginia. 



Ten- 

 nessee. 



North 

 Caro- 

 lina. 



West 

 Vir- 

 ginia. 



Ten- 

 nessee. 



North 

 Caro- 

 lina. 





Mini- 

 mum. 



Maxi- 

 mum. 



Aver- 

 age. 



Aver- 

 age. 



Aver- 

 age. 



Maxi- 

 mum. 



Aver- 

 age. 



Aver- 

 age. 



Aver- 

 age. 



Years. 

 20 



1 

















30 





3.8 

 10.3 

 19.7 



31.0 

 45.0 

 62.0 

 82.0 

 105.0 



130.0 

 157.0 

 188.0 

 220.0 

 257.0 



297.0 

 340.0 

 381. 

 422.0 

 460.0 















40 







i 



4 

 30 



68 

 120 

 180 

 260 

 350 



450 

 580 

 730 

 910 

 1,130 



1,380 

 1,650 

 1,920 

 2,170 

 2.400 









50 

















60 

















70 





1.7 

 * 3.0 



4.8 

 7.0 

 10.0 



13.5 

 17.7 

 22.0 

 27.0 

 32.0 



1.5 

 4.2 

 8.0 

 12.4 



17.9 

 24.0 

 31.0 

 38.0 

 46.0 



54.0 



64.0 

 74.0 

 86.0 

 98.0 



3.1 

 6.2 

 10.5 

 15.9 



22.0 



29.0 

 36.0 

 44V 

 52.0 



60.0 



68.0 

 77.0 

 86.0 

 94.0 









80 











90... 











100 









14 



110 





10 

 22 

 39 

 58 

 80 



20 

 39 

 60 

 85 



110 



150 

 190 

 230 

 270 

 310 



34 



120 



1.2 



1.6 

 2.2 

 2.8 



3.5 

 4.3 

 5.2 

 6.1 

 7.1 



56 



130 



79 



140 



100 



150 



130 



160 



170 



180 



190 



200 



160 

 200 

 250 

 300 

 350 



1 Based on the following data, collected by Walter Mulford, 1905-1906: 



West Virginia, Greenbrier County 47 trees, 137 to 200 years old. 



Tennessee, Johnson County 131 trees, 111 to 200 years old. 



North Carolina, Mitchell County 308 trees, 89 to 200 years old. 



