tion is to be for the general characteristics of a field, it is better to 

 make a composite sample from 8 or 10 different parts of the field. 

 In all cases the exact location of the farm should be stated, giving 

 distances in miles and direction from some post-office, town, or vil- 

 lage or indicating position by land lines. 



Approved : 



JAMES WILSON, 



Secretary of Agriculture. 



WASHINGTON, D. C., April 7, 1911. 



Cir. 26] 



