THE NOETHEEN HARDWOOD FOREST. 



19 



Table 7. — Growth in diameter, breasthigh, of northern hardwoods and hemlock in the 



Lake States. 1 





Average growth. 



Maximum growth. 



Minimum growth. 



Age. 



© 



c 



fcfl 



A 



o 



© 

 CD 



pq 



o 

 "© 



o 

 1 



© 



a 



"© 

 © 



T3 



8 



ffl 



1 



a 



M 



02 



A 



© 



© 



pq 



A 



o 



.a 



A 



o 



"© 



§ 

 1 



a 



■© 



2 



a 



T3 



O 



o 

 1/1 



3 



pq 



03 



a 



bo 

 W 



A 



o 



03 

 03 



PQ 



A 

 o 

 .% 

 A 



| 

 "© 



M 



1 



w 



a 



"© 



03 



a 



T5 

 § 



pq 



Years. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



In. 



20 



0.5 



0.7 



1.1 



0.7 



0.9 



2.2 



1.2 



1.3 



2.1 



2.0 



2.8 



3.3 





0.3 





0.3 



0.1 



1.3 



30 



1.2 



1.5 



1.7 



1.3 



1.7 



3.6 



2.3 



2.3 



3.3 



3.9 



4.3 



5.1 





.7 



0.2 



.6 



.4 



2.2 



40 



1.9 



2.3 



2.3 



2.1 



2.5 



5.0 



3.6 



3.3 



4.6 



5.7 



5.7 



6.9 



0.2 



1.1 



.4 



.9 



.7 



3.1 



50 



2.7 



3.0 



3.0 



2.9 



3.3 



6.5 



4.9 



4.4 



5.8 



7.6 



7.0 



8.8 



.5 



1.6 



.7 



1.3 



1.0 



4.1 



60 



3.5 



3.8 



3.8 



3.8 



4.1 



7.9 



6.3 



5.4 



7.1 



9.4 



8.2 



10.7 



.8 



2.2 



1.1 



1.6 



1.3 



5.2 



70 



4.3 



4.6 



4.6 



4.7 



4.9 



9.4 



7.6 



6.5 



8.4 



11.1 



9.3 



12.5 



1.1 



2.8 



1.5 



2.0 



1.6 



6.3 



80 



5.2 



5.4 



5.6 



5.7 



5.7 



10.9 



9.1 



7.5 



9.8 



12.8 



10.4 



14.3 



1.5 



3.4 



2.1 



2.4 



1.9 



7.4 



90 



6.1 



6.3 



6.6 



6.7 



6.5 



12.4 



10.5 



8.6 



11.2 



14.5 



11.5 



16.0 



1.9 



4.0 



2.7 



2.7 



2.3 



8.5 



100..,. 



7.0 



7.1 



7.7 



7.8 



7.3 



13.8 



11.9 



9.6 



12.5 



16.1 



12.6 



17.6 



2.4 



4.7 



3.4 



3.1 



2.7 



9.5 



110.... 



8.0 



8.1 



8.9 



9.0 



8.1 



15.1 



13.2 



10.6 



13.9 



17.7 



13.8 



19.0 



2.9 



5.4 



4.2 



3.4 



3.2 



10.7 



120.... 



9.0 



8.9 



10.1 



10.0 



8.9 



16.3 



14.5 



11.6 



15.2 



19.4 



14.9 



20.3 



3.5 



6.1 



5.0 



3.8 



3.7 



11.7 



130.... 



10.0 



9.8 



11.2 



11.2 



9.7 



17.5 



15.8 



12.6 



16.5 



21.0 



16.0 



21.6 



4.1 



6.9 



5.8 



4.3 



4.2 



12.8 



140.... 



10.9 



10.7 



12.3 



12.3 



10.5 



18.5 



17.0 



13.6 



17.8 



22.6 



17.0 



22.9 



4.7 



7.6 



6.7 



4.8 



4.8 



13.8 



150.... 



11.9 



11.5 



13.4 



13.4 



11.4 



19.5 



18.2 



14.6 



19.1 



24.2 



18.1 



24.1 



5.4 



8.3 



7.6 



5.3 



5.4 



14.7 



160.... 



12.9 



12.4 



14.5 



14.5 



12.2 



20.6 



19.4 



15.5 



20.3 



25.7 



19.2 



25.3 



6.1 



9.1 



8.5 



5.9 



6.0 



15.7 



170.... 



13.9 



13.2 



15.6 



15.5 



13.2 



21.5 



20.5 



16.4 



21.6 



27.2 



20.2 



26.4 



6.8 



9.9 



9.5 



6.6 



6.7 



16.6 



180.... 



14.8 



14.1 



16.7 



16.5 



14.1 



22.6 



21.5 



17.3 



22.9 





21.3 



27.5 



7.5 



10.6 



10.5 



7.3 



7.5 



17.5 



190.... 



15.7 



14.9 



17.8 



17.5 



15.1 



23.6 



22.6 



18.2 



21.1 





22.3 



28.6 



8.3 



11.3 



11.4 



8.0 



8.2 



18.4 



200.... 



16.7 



15.7 



'18.8 



18.4 



16.0 



24.6 



23.6 



19.1 



25.2 





23.4 



29.7 



9.0 



12.1 



12.2 



8.7 



9.0 



19.3 



210.... 



17.6 



16.5 



19.8 





17.0 



25.5 



24.7 



20.0 



26.3 





24.4 



30.7 



29.7 



12.9 



13.1 





9.8 



20.1 



220.... 



18.5 



17.3 



20.8 





17.9 



26.5 



25.7 



20.9 



27.5 





25.5 



31.7 



10.5 



13.8 



13.9 





10.7 



21.1 



230.... 



19.3 



18.1 



21.8 





18.9 



27.5 



26.7 



21.8 



28.6 





26.5 



32.7 



11.3 



14.6 



14.8 





11.6 



22.0 



240.... 



20.3 



19.0 



22.7 





19.9 



28.4 



27.5 



22.7 



29.7 







27.5 



33.8 



12.1 



15.4 



15.5 





12.5 



22.9 



250 ... . 



21.1 



19.9 



23.7 





20.9 



29.4 



28.4 



23.6 



30.8 





28.5 



34.8 



13.0 



16.2 



16.3 





13.5 



23.8 



1 Based on the following data: Sugar maple, 80 trees, Charlevoix and Kalkaska Counties, Mich., Price 

 and Iron Counties, Wis.; beech, 74 trees, Charlevoix and Kalkaska Counties, Mich.; yellow birch, 27 trees, 

 Charlevoix and Kalkaska Counties, Mich., Price and Iron Counties, Wis.; hemlock, 186 trees Leelanaw 

 County, Mich.; white elm, 14 trees, Charlevoix and Kalkaska Counties, Mich., Price and Iron Counties, 

 Wis.; basswood, 75 trees, Charlevoix and Kalkaska Counties, Mich., Price and Iron Counties, Wis. 



Table 8. — Growth in 



height of northern hardwoods and hemlock in 



*he Lake States. 1 





Average growth (total height). 



Maximum growth (total 

 height). 



Minimum growth (total 

 height). 



Age. 



© 



i 



a 

 u 



m 



A 

 § 



03 



o 

 "© 



M 

 o 



o 



a 



03 



H 



a 



"© 



03 



A 



i 



o 

 3 



03 



1 



a 

 * 



S3 



A 



C3 

 03 



03 



pq 



A 



o 



a 



a 



| 



8 



1 



T3 

 o 

 o 



to 



pq 



03 



a 



A 

 o 



03 



03 



pq 



A 



o 



A 

 1 



3 



o 



o 



a 



03 



a 



Ft. 

 6 

 7 

 8 



10 



11 

 13 

 14 

 15 

 17 



IS 

 20 

 21 

 23 

 25 



27 

 29 

 31 

 33 

 35 



o 

 o 



pq 



Years. 

 20 . 



Ft. 

 10 

 18 

 25 

 32 



38 

 44 

 49 

 54 



58 



62 

 66 

 70 

 72 

 75 



77 

 80 

 81 

 83 



85 



86 

 87 

 89 

 90 

 91 



Ft. 

 13 

 21 

 28 

 33 



39 

 44 

 48 

 53 

 57 



62 

 65 

 69 

 72 

 75 



78 

 80 

 82 

 83 



84 



85 

 86 



87 

 87 

 88 



Ft. 



20 

 26 



31 

 37 



43 

 48 

 53 

 58 

 62 



66 

 69 

 71 

 73 

 75 



76 



78 

 79 

 80 

 81 



81 

 82 

 83 

 83 

 84 



Ft. 

 8 

 12 

 16 

 20 



25 

 30 

 35 

 40 



44 



49 

 53 

 57 

 60 

 63 



66 

 68 

 70 

 72 



74 



Ft. 

 21 

 28 

 34 

 40 

 45 

 49 

 53 

 57 

 61 



64 

 67 

 71 

 73 

 76 



78 

 81 



83 

 85 



87 



90 

 92 

 93 



95 

 97 



Ft. 

 23 

 34 

 43 

 52 



59 

 66 

 71 

 75 



78 



81 

 83 

 85 

 87 

 88 



89 

 90 

 91 

 92 

 93 



94 

 95 

 96 

 96 



97 



Ft. 

 18 

 29 

 39 



4S 



55 

 61 

 67 

 71 

 75 



78 

 81 

 83 

 85 

 87 



89 

 90 

 92 

 93 

 94 



96 

 97 

 98 

 99 

 100 



Ft. 

 19 

 28 

 35 



42 



48 

 54 

 59 

 64 

 68 



72 

 75 

 78 

 81 

 83 



84 

 85 

 86 



87 

 87 



88 

 89 

 90 

 ^0 

 91 



Ft. 



30 

 39 

 48 

 54 



60 

 64 

 68 

 71 

 73 



75 

 77 

 79 

 80 

 81 



82 

 83 

 83 

 84 



85 



86 

 86 

 87 

 87 



88 



Ft. 

 18 

 31 

 42 

 53 



62 

 70 

 76 

 82 

 85 



88 

 91 

 94 

 96 

 98 



100 

 102 



Ft. 

 32 

 44 

 54 

 63 



70 

 75 

 80 

 83 



85 



87 

 89 

 90 

 92 

 93 



94 

 95 

 96 

 97 

 97 



98 

 98 

 99 

 100 

 100 



Ft. 



..... 



10 

 14 

 17 

 21 

 25 

 29 

 34 

 38 

 43 

 46 

 50 



54 

 57 

 61 

 64 

 66 



69 

 71 

 73 



75 



78 



Ft. 

 8 

 13 

 17 

 22 



27 

 32 

 36 

 40 



44 



48 

 52 

 56 

 59 

 63 



66 

 69 



72 

 74 



77 



79 



81 

 83 

 84 

 85 



Ft. 

 ...... 



11 

 15 



20 

 24 

 30 

 35 

 40 



45 

 50 

 54 

 58 

 61 



64 

 67 

 70 

 71 

 73 



74 

 75 



77 

 77 

 78 



Ft. 

 16 



30 



23 



40 . 



30 



50 



37 



60 



45 



70 



51 



80 .. 



57 



90 



62 



100.. 



66 



110 



70 



120. 



73 



130 



76 



140... 



78 



150 



80 



160 . 



82 



170 



84 



180... 



85 



190. 



87 



200 



88 



210 



89 



220 



90 



230 



91 



240 



92 



250 



93 







1 Based on same data as Table 7. 

 and minimum curves. 



The measurements for white elm were too few to warrant maximum 



