— 358 — 
TABLE II* 
TuLip TREE (YELLOW PopLar) 
DB abls Volume 
Age Outside Bark Height {Doyle Rule] 
Years Inches Feet Board Feet 
60 10 78 22 
68 11 82 32 
75 12 86 47 
82 13 89 63 
90 14 92 87 
97 15 95 113 
104 16 97 150 
112 17 99 190 
120 18 101 238 
128 19 103 290 
136 20 104 352 
144 21 105 420 
152 22 106 490 
160 23 107 565 
169 24 107 644 
178 25 108 725 
186 26 108 813 
195 27 109 905 
204 28 109 1,002 
212 29 110 1,106 
221 30 110 1,215 
230 31 111 oo 
240 32 111 1,445 
248 33 112 1,563 
258 34 112 1,685 
267 35 113 1,811 
276 36 113 1,940 
286 37 113 2,074 
296 38 114 2,210 
306 39 114 2,342 
317 40 115 2,475 
*From measurements taken on 403 trees in Scottfand Anderson counties, Tennessee, 
by F. E. Olmsted, of the,U. S. Forest Service. 
