to secure the confidence of lumbermen is to show them that 

 *e ere not theorists alone, hut possess a good wording Imow- 

 lede of tho principles of lumborin/> 



The noed for this vorl; first became apparent last 

 winter at the time o:: tho discussion regarding stumpa-e ra t e 

 appraisals and the adoption o::' tho now -principles which 

 should G overn such appraisals. Accordingly, steps wero 

 talron in 1912 to obtain the dc.ta in three ways, First, 

 from operators 1 boots; second, by notes taken by forest 

 officers in charge of timber salos ; and third, by special 

 studies made by members of the Office of Silviculture. 



During the summer I obtained more or less corn- 

 plot o notes upon the oporationc 01 tho Fresno Flume & Lum- 

 ber Company, the Madera Su^ar Pino Company, and the McCloud 

 River Lumber Company. I was able to visit the operations 

 of tho latter naBed company, as uell as those of the M. A. 

 Burns Lumber Company, with Austin Gary, who is in charge 

 of similar wor:.: in the T .7ashin^on Q-ffioe, 



At tho becinniiiG of the field season a comprehensive 

 outline was prepared, covering the factors enterinr into 

 operating costs and the various conditions which affect 

 them* Shis outline was cent out to those forests having 

 active lar-o timber sales, with the request that the men 

 in charge be instructed to obtain notes upon the operation 

 in connection with the outline. Also upon some Porests 



151 



