WESTERN HEMLOCK HEIGHT PREDICTION 



(Equation II) 



Table 7a.— Base values from stand age 



Stand age (years) 



Base values 



20 



-9 



30 



-6 



40 



-3 



50 







60 



+4 



70 



+7 



80 



+ 10 . 



90 



+ 14 



100 



+ 17 



Table 7c. — Adjustment values for elevation 



Elevation (feet) 



Adjustment value 



2,000 



+22 



2,500 



+18 



3,000 



+ 15 



3,500 



+ 13 



4,000 



+ 11 



4,500 



+ 10 



5,000 



+ 9 



Table 7<L— 



Adjustment values for 



top© position 



Position 



Adjustment value 



Ridge 



-1 



Upper slope 



+3 



Middle slope 







Lower slope 



_3 



Flat or bench 



+ 1 



Table 7b.— Adjustment values for white 

 pine height 



White pine height Adjustment value 



(feet) 



10 



6 



20 



13 



30 



20 



40 



26 



50 



32 



60 



39 



70 



46 



80 



52 



90 



58 



100 



65 



110 



72 



120 



78 



130 



84 



140 



91 



150 



98 



160 



104 



170 



110 



180 



117 



190 



124 



200 



130 



21 



