32 BULLETIN 660, U. 8. DEPARTMENT OF AGRICULTURE. 
These data are combined and arranged on the daily report of costs 
form (fig. 9) so as to make possible the ready determination of unit 
costs. In this case no indirect labor cost is charged to equipment. 
Teams were used only for hauling and were required to make a 
certain number of trips per day. 
The amount of work done was reported to the superintendent by 
the engineer in charge of this division of the work. 
