TAHLKS OF MEASUKEMENTS. 



101 



Vi«. 23.— Eiagram sbuwiug litighl growtli of codominant trees, by States. 



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20 40 60 dO 100 120 140 ISO 180 200 .220 240 260 



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FHi. liG.— Diagram showiug height growth ol oppressed trei*s, by States. 



