TAHLliS OF MEASUUliMENTS. 



101 



/40 



40 SO S'a /oo 



/8ff ^aa £'^0 e4a ^si^ 



Pio. 23.— Eiu^ram sbuwiug buiglit growth ol' codoauuaiit treca, by Stales. 



/eo /40 /60 



fZO 



too 



i:Sa 



Pennsylvania- 

 Mi chigan 



Wisconsin 



m% 



TrF 



jpx; 



"0 20 40 BO SO 100 ISO 140 I BO 180 200 ^^20 ^0 2 BO 



Fk;. 'Jd.— I)iii;;raiii Mlmwiug hoigbt gruwtU of oppressed troes, by States. 



