146 



THE WHITE PINE. 



TABLE VI. Jcre yield* of mite I'ine and meamrrmentt of sample tree* Continued. 



C.-PKNN-\ i.\ A M A-Continned. 



(3) SlTK: 



Clearfleld County. 

 [1,200 to 1,500 feet above sea level.] 



Sample area: 1 cre. 



: 240 to 260 years. 

 . crown cover: 0.5 

 in places openings. 



ACRE YIELD. 



Average annual accretion : All species, 45 cubic feet. 



268 feet B. M. 



(4)SiTK: 



Jefferson County. 

 [1,500 to 1,800 feet above sea level.] 



Sample area: 1 acre. 



Soil : Reddish-brown clayey loam, deep, fresh, well drained, with 2 to 3 inches mold on top and Age of pine : 230 to 240 years, 

 a surface cover of abundant leaves and ground Hemlock; subsoil, laminated shale of indefi- 

 nite depth. Density of crown cover : 0.7 1 



Forest conditions: Hardwoods (71 per cent) mainly Beech, White Oak, and Maple mixed with in places 0.8. 

 Hemlock (22 per cent) and scattering White Pine (7 per cent) on ridge; undergrowth, moder- 

 ately dense, of very young Beech and some Maple. Number of trees; 155. 



ACRE YIELD. 



Average annual accretion: White Pine, 12 cubic feet. 



71 feet B. M. 



