114 



THK WHITE PINE. 



'I'aiu.e N'. — liroirlh 11/ liiaiiieirr and croen-aecHon area at larioiis heujhlH /lom thr r/rouiid — C'ontiiiiieii 



(4) AVERAGE FOK MICHIGAN. 



„l^"'l from 

 gro«-th., gro„„a 



CORRESPONDING AKKA ACCRETION. IN SQDARK KKET. F, ,R riEi A11K8- 



Feet. 



W 0.02 0.08< 0. 

 18 I .04 .13 . 

 .04 

 .04 

 .03 

 .03 

 .02 



34 

 50 

 66 

 82 

 100 



.13 

 .14 

 .12 

 .07 

 .07 



0.1 



.18 

 .18 

 .21 

 .13 

 11 



07, .11 



I 



0.20 

 .20 

 .19 

 .20 

 .14 

 .11 

 .00 



0.23 0.23 

 19 .21 



.18 

 .20 

 .14 

 .10 

 .12 



.21 

 .19 

 .14 

 .11 

 .10 



IS 10 20 



21 



.18 

 16 

 13 

 11 



.17 

 .17 

 .16 

 .16 

 .10 



.18 

 .17 

 .16 

 .13 

 .10 



0.30 

 .18 

 .18 

 .18 

 .14 

 . II 



0.28 0.28 0.29 0.28 0.22 0.22 0.27 0.27 



.19 .18 .19 .16 .17 .14, .15 



.17 .17 .15 .16 .13 I 



.15 .14 .16 .12 



.11 .11 



.20' .18 .19 

 .13 



. is; . 14 . 13 



