FOREWORD 



Sample tree measurement has not been widely used in the Northern 

 Region because of a lack of understanding of its principles and 

 of the nevj techniques v;hich it involves » Timber sales admini- 

 strators need knovjledge of the advantages and disadvantages of 

 sample tree measurements vjhen and how it should be used, and the 

 detailed methods for applying ito The present report explains 

 all phases of this system of sale volume determination for the 

 use of timber management specialists,, 



Those #10 care only for the detailed ^ step-by -step method of 

 applying the system are referred to Part I of the Appendix;, 

 pages 50 to 42 o 



