Appendix table 2, 



— 3ite-quality classification for ponderosa pine . 



with corresponding heights at maturity 

 in terms of logs . \J 



J Site index 



Site "uality class : at 100 years \ Logs in dominant trees 



. , I at maturity 2/ 



\ Central value | Range \ 



Feet Feet Number 



I. ... 120 +113 10 or more 



II 106 99—112 8 to 9 



III 92 85--9S 7 



.V. 78 71—84 5 to 6 



V 64 57—70 3 to 4 



VI. , 50 43—56 2. 



VII. ... 36 43- 2- 



y Meyer, U'. H., "Yield of even-aged stands of ponderosa pine.'' 

 U. 3. Dept. of Agr. Tech. Pul, 630, 60 r)p.^ illus. 1938. 



2,/ Estimated in terms of l6-foot logs to 8-inch top. Maturity is assumed 

 to begin at the age of 250 years. 



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