CONTENTS. 7 



Page. 



Special instruments useful to a woodsman 95 



Staff compass 96 



Instruments for measuring heights 98 



Faustmann's height measure 99 



Forest Service standard hypsometer. 101 



Surveyor's hand level and clinometer 103 



Diameter measurement calipers 106 



Diameter tape 108 



Cruiser's tree counter 109 



Cruiser's bark blazer 109 



Pressler increment borer 110 



APPENDIX. 



Volume tables 113 



Northeastern trees 113 



Aspen or popple, cubic feet, peeled pulp wood (Table 1) . . 113 



Beech, board feet, saw cut, and grades (Table 2) 114 



Birch, paper, cubic feet, used length (Table 3) 115 



Birch, paper, board feet, saw cut (Table 4) 116 



Birch, yellow, board feet, saw cut and grades (Table 5). 117 



Hemlock, board feet, saw cut (Table 6) 118 



Maple, sugar, board feet, saw cut, and grades table (Table 



7) 119 



Oak, red, board feet, saw cut (Table 8) 120 



Oak, white, cubic feet, second-growth cord wood (Table 



fr 9) 121 



Pine, red, board feet, under 130 years (Table 10) 122 



Pine, red, board feet, over 200 years (Table 11). 123 



Pine, white, board feet, saw cut (Table 12) 124 



Pine, white, board feet, Scribner Eule (Table 13) 125 



Spruce, cubic feet, pulp wood (Table 14) 126 



Spruce, board feet. New Hampshire Rule (Table 15).. . 127 



Southern Appalachian trees 128 



Chestnut, board feet, Doyle-Scribner Rule (Table 16). . 128 



Chestnut, cubic feet, extract wood (Table 17) 139 



Hemlock, board feet, Doyle-Scribner Rule (Table 18). . 130 



^ Hemlock, volume of bark in cords (Table 19) 131 



Hickories, volume used in cubic feet (Table 20) 132 



Hickories, per cent of bark and sapwood (Table 21) 133 



