MARKING OF WESTERN WHITE PINE 885 



classes will necessarily be broad, disregarding many minor variations. Without 

 such a picture to guide the marker, there will be no consistency of purpose and 

 no uniformity of results. 



The map is supported by a tabulation showing the classification 'of the stand 

 and the results to be expected from the application of the marking rules. If 

 the original timber estimates are made by types and age classes, these data can be 

 obtained without much additional field-work; if not, some field tallies will be 

 necessary. 



