TABLES OF MEASUREMENTS. 151 



TABLE VII. Acre yields of second-growth White Pine, u-ith measurements of young pine taken for analysis Continued 

 A. PE>"> T SYL,VAXIA-Continued. 



MEASUREMENTS OF SAMPLE YOUNG PINE TREES. 



(3) S1TK0: 



Clearfleld County. 

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



Sample area : 1 acre. 



Soil: Yellow clayey loam, medium grain, deep, fresh, well drained (three small streams cross the Age of pine: 25 to 35 years. 

 hollow in different directions), with 2 to 3 inches mold on top, surface cover of leaves. Fern, 



Ground Pine, Wintergreen, Elderberry, Blackberry, and Dogwood; subsoil laminated shale Density of crown cover: 0.5 

 of indefinite depth. to 0.6. 



Forest conditions : Young White Pine intermixed with young hardwoods in hollow extending north 

 and south, and bounded on the went by hill over 2 feet above station : undergrowth dense, of 

 very small and various hardwoods, mainly Black Birch, Maple, and Beech, and few White 

 Birch and Hemlock. 1 



ACRE YIELD. 



Number of trees : ( ?) 



Average annual accretion : White Pine, 38 cubic feet. 



' Intermixed species : White Pine, 131+154 small; Aspen, 12 + 54 small; Beech, 1 + 137 small; Maple, 6+254 small; Oak, 5+ 12 small; White 

 Ash 3+21 small Cncumlwr. 6+90 small: Black Cherry, 2+77 small; Black Birch, 17+415 small; Hamamelis, 4 small; Basswood, 6 small; 

 Tulip 13 small- Ironwood 2 small; Chestnut, 2 small; Willow, 10 small ; Hemlock, 50 small. 



