148 



THE WHITE PINE. 



YIELD OF SECOND-GROWTH 'WHITE PINE, WITH MEASUREMENTS OF YOUNG PINE 



TAKEN FOR ANALYSIS. 



The yield of second-growth White Pine on selected sample areas in the States named is 

 shown in the following notes and tabulations, which also give, for illustration, the number of trees, 

 volume, and average annual accretion of pine, the soil, forest conditions, acre yields, and measure- 

 ments of sample young pines taken for analysis : 



TAIU.K. VII. Acre yields of econd-growlh White fine, trith measurements of young pine taken for analysit. 



A. PENNSYLVANIA: 



(1) SlTEC: 



Lnzerne Conoty. 



[1,400 to 1,500 feet above sea level.] 

 Half acre No. 1. 



Sample area: 1 acre. 



Soil: Dark-brown loamy sand, medium grain, with pebbles and gravel, light, loose, deep, fresh, Age of pine : 80 to 80 years, 

 drained by Bear Creek and a number of other small streams, - inches mold on top, and a sur- 

 face cover of abundant leaves and scanty fern. 



Forent condition!: White Pine, mixed with 'Maple, Beech, Hemlock, and scattering Yellow and 

 White Birch, White nnd Red Oak, and occasional Black Cherry, in a valley sloping toward 

 southwest and bordered on all sides by liills over 300 feet above station ; undergrowth moder- 

 ately dense, of young Hemlock, Beech, Maple, Birch.' 



HALF-ACRE YIELD. 



Density of crown cover: 0.5. 



dumber of trees: 216. 



Average annual accretion: White Pine, 41 cubic feet. 



'Intermixed tpeciei: Maple, 68; Beech, 22; Hemlock, 18; Yellow and White Birch, 14; White and Red Oak 12- Cherry 2. 

 Undergrowth: Young Hemlock, 280; Beech. 146; Maple, 84; Birch, 12. 



