PAST YIELDS AND MAPS. 



287 



6. Table of Past Yields. 



This table should give the past yields in produce for as 

 many years as possible, and the mean annual yield calcu- 

 lated from these data. 



The data should be separated, where practicable, according 

 to final and intermediate returns, and according to the prin- 

 cipal species, and the different classes of produce. 



The accompanying table illustrates this. 



Where specially valuable timber has been cut, like oak 

 standards, teak, etc., it can be entered separately. 



7. Maps. 



It is most useful to represent on maps the data required for 

 the preparation of a working plan as far as this can be done. 

 Such maps give at a glance a, clear picture of the forest, which 



PAST YIELDS. 



in solid Cubic Feet. 



