TABLES OP MEASUREMENTS. 



121 



TABLE VI. Acre yields of White Pine and measurements of sample trees Continued. 



A. MICHIGAN Continued. 

 (5) SITE/.- 



Montmorency County. 



Sample area : 1 acre. 



Soil: Brown, dry sand, with stones, and surface cover of brakes and grass. Age of pine: 160 to 180 years 



Forest conditions : Red Pine (94 per cent) with scattering White Pine (6 per cent) on a level plain ; Density of crown cover : 0.6. 



no undergrowth save very small shrubs of scattered Oak (characteristic of this locality). 



About 15 per cent of trees injured by fire in 1891. Number of trees: 115. 



Classification : Red Pine. 



Dominant per cent.. 72 



Oppressed do 13 



Suppressed do 15 



ACRE YIELD. 



Total yield : Pine, 30,490 feet B. M., of which White Pine 5 per cent. 

 Average annual accretion : Pine, 42 cubic feet. 

 179 feet B. M. 



(6) SITE g : 



Crawford County. 

 [About 1,200 feet above sea level.] 



Sample area: 1 acre. 



Soil: Brown, loamy sand, deep, fresh, moderately loose, with surface cover of fern and grass; Age of pine: 250 to 260 years 

 sand with stones underlies the soil. Density of crown cover: 0.7. 



Forett conditions: Two-story stand, upper story of White Pine (1 Red Pine of 26 inches in diam- 

 eter), with 0.3 density of crown cover, lower story of Fir (22 from 4 to 10 inches iu diameter), 

 Beech (4 from 4 to 10' inches in diameter), and Hemlock (19 from 4 to 10 inches in diameter); 

 undergrowth moderately dense, of Maple, Fir, Hemlock, and Beech. Percentages: White 

 Pine. 50; Hemlock, 20; Fir, 25; hardwoods, 5. 



Clattitication: White Pine. 



Dominant percent.. 77 



Oppressed do 



Suppressed do.... 10 



ACRE YIELD. 



Number of trees: (?) 



Average annual accretion: White Pine, 40 cubic feet. 



240 feet B. M. 



