TABLES Oi'" MEASUUliMKNTS. 



Ill 



ZO 40 60 80 100 /20 140 160 180 ZOO 



AGE OF DISK 



Fio. :!4.— Diagram showing diameter growth of ilominaut treus at varioiia hri^^hts from ground in Wiacoiidin. 



20 40 60 80 100 120 100 160 180 200 



flCE OF D/SK 



Fig. 35.— Diagr;ini showing diameter growlh of ojiprcbstnl trees at various heights from ground in Wiscoosin. 



