THE GEXEKAL WORKING SCHEME. 145 



next the successive order in which the respective compartments 

 shall be operated upon, and lastly the annual extent, volumetric 

 or superficial as the case may be, of the various exploitations. 



Usually the succession of these exploitations is exhibited in 

 tabular form, showing at a glance the general plan of all the 

 operations to be executed during the Period in question. Often 

 the annual yield is similarly exhibited in one or more tables, which 

 also contain the data from which it has been estimated. 



