Service Forester's Handbook

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====== Trees Per Rough Cord ======
=====Scale of 16-Foot Logs to Nearest Board Foot=====
=====Scribner Rule 1/=====
====(Diameter inside bark)====
====(Tenths of Inches)====
^D.I.B (Inches) ^.0     ^.1    ^.2    ^.3    ^.4    ^.5    ^.6    ^.7    ^.8    ^.9    |
|6---------     |12     |13    |14    |15    |16    |16    |17    |18    |19    |20    |
|7---------     |21     |22    |23    |24    |24    |25    |26    |27    |28    |29    |
|8---------     |30     |31    |32    |33    |34    |36    |37    |38    |39    |41    |
|9---------     |42     |43    |45    |46    |47    |48    |50    |51    |52    |54    |
|10--------     |55     |56    |58    |60    |61    |63    |64    |66    |67    |69    |
|:::
|11--------     |70     |72    |74    |75    |77    |78    |80    |81    |83    |84    |
|12--------     |86     |88    |90    |91    |93    |95    |97    |99    |101   |102   |
|13--------     |104    |106   |108   |110   |111   |113   |115   |117   |119   |121   |
|14--------     |123    |125   |127   |129   |131   |133   |135   |137   |140   |142   |
|15--------     |144    |146   |148   |150   |153   |155   |157   |159   |161   |164   |
|:::
|16--------     |166    |168   |171   |173   |175   |177   |180   |182   |185   |187   |
|17--------     |189    |191   |194   |196   |199   |202   |204   |207   |210   |213   |
|18--------     |216    |218   |221   |224   |227   |229   |231   |234   |237   |240   |
|19--------     |243    |245   |248   |251   |254   |257   |260   |263   |266   |269   |
|20--------     |272    |275   |278   |281   |284   |287   |290   |293   |296   |299   |
|:::
|21--------     |302    |305   |308   |311   |314   |317   |320   |323   |327   |330   |
|22--------     |334    |337   |340   |344   |348   |351   |354   |358   |361   |365   |
|23--------     |368    |372   |375   |379   |382   |386   |390   |394   |397   |400   |
|24--------     |403    |406   |410   |414   |418   |422   |426   |429   |432   |436   |
|25--------     |440    |444   |448   |452   |456   |460   |464   |468   |472   |475   |
|:::
|26--------     |478    |482   |486   |490   |494   |498   |502   |506   |510   |514   |
|27--------     |518    |522   |526   |530   |534   |538   |542   |546   |550   |564   |
|28--------     |559    |563   |567   |571   |575   |579   |583   |587   |592   |597   |
|29--------     |602    |606   |611   |615   |620   |624   |629   |633   |638   |642   |
|30--------     |647    |651   |656   |660   |665   |669   |674   |678   |683   |688   |
|:::
|31--------     |693    |698   |703   |708   |712   |717   |722   |726   |731   |736   |
|32--------     |741    |746   |751   |756   |761   |766   |770   |775   |780   |785   |
|33--------     |790    |795   |800   |805   |810   |815   |802   |825   |830   |835   |
|34--------     |841    |846   |851   |856   |862   |867   |872   |877   |883   |888   |
|35--------     |894    |900   |905   |910   |915   |921   |926   |931   |937   |942   |
|:::
|36--------     |948    |954   |959   |965   |971   |977   |982   |988   |993   |998   |
|37--------     |1,004  |1,010 |1,016 |1,021 |1,027 |1,032 |1,038 |1,043 |1,049 |1,055 |
|38--------     |1,061  |1,067 |1,073 |1,079 |1,085 |1,091 |1,097 |1,103 |1,109 |1,115 |
|39--------     |1,120  |1,126 |1,132 |1,138 |1,144 |1,150 |1,156 |1,162 |1,168 |1,174 |
|40--------     |1,180  |1,186 |1,192 |1,198 |1,204 |1,210 |1,216 |1,222 |1,228 |1,235 |
|:::
|41--------     |1,242  |1,249 |1,255 |1,261 |1,268 |1,274 |1,280 |1,286 |1,293 |1,300 |
|42--------     |1,306  |1,312 |1,318 |1,325 |1,331 |1,338 |1,344 |1,351 |1,358 |1,364 |

1/ Formula Used: V = .79D^2 -2D-4
Service Forester's Handbook

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