Service Forester's Handbook

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====== Comparison of Log Rules ======

16' Logs (From Forestry Handbook)
^Top DIB (Inches) ^Doyle              ^Scribner             ^International                 ^Cubic Ft.  |
^Formula          ^(D-4)<sup>2</sup>xL^79D<sup>2</sup>2-2D-4^0.796D<sup>2</sup>-1.370-1.230^(B+b)L/2   |
|8                |16                 |32                   |40                            |7          |
|9                |25                 |42                   |50                            |9          |
|10               |36                 |54                   |65                            |11         |
|11               |49                 |64                   |80                            |13         |
|:::
|12               |64                 |79                   |95                            |15         |
|13               |81                 |97                   |115                           |17         |
|14               |100                |114                  |135                           |20         |
|15               |121                |142                  |160                           |22         |
|16               |144                |159                  |180                           |25         |
|:::
|17               |169                |185                  |205                           |28         |
|18               |196                |213                  |230                           |32         |
|19               |225                |240                  |260                           |35         |
|20               |256                |280                  |290                           |39         |

Service Forester's Handbook

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