', 



\7eather, firo und character of tho count ry aro a 

 few of tho many things that may malre the voluno of his 

 work uncertain. Some of those factors, such as topography 

 and size of district, otc., are constant and may be ivon 

 a do finite weight for each man. Cthorc aro variable 

 (firos, wervfchor, otc.) and nust of course "bo talron into 

 consideration. Tho constant factors may be precisely 

 alike, but if one man has continual firos from tho bo- 

 g-inning of tho season to tho end we can x t say that he 

 is loss efficient and at fault because his four claiinc 

 reports aro not submitted as promptly as those on the 

 other district* 



It is not, thoreforo, possible to determine 

 definitely how much work a ranger, or a forest assist- 

 ant or a supervisor, for that nattor, ccai do in a certain 

 period of tine. 



However, simply bocauso final values can not bo 

 figured dov/n to the last cent or amounts of worlr to tho 

 ozsact number of stock a man ought to bo ablo to handlo 

 during a season wo have no roason to say that a caraful 

 study of costs and worl: is impossible and unnecessary. 



Sheet W, for example, is far from accurate. 

 Just tho sarno it is a mighty valuable piece of worl: and 

 to my nind one of the most important things that has 

 ovor been done toward putting our worl: on a more business 



