Patented pile protections were also applied to 

 Dou-las Fir piles, but these have, exoept on one or two 

 instances, been attached by the marine wood-borers within 

 a year. 



The tapping experiments rarde on this species on 

 the Lassen, wore not successful. 



.r-.ito J 



\7hloe fir seons to be a ^ooc 1 telo^raph end tele- 

 ohone oole timber. Above tho ground a pole of this species 

 rill last 10 yoe.ro at the least, where roil cedar -..-ill be 

 rotte-n in the sapwood both above and fool or tho ground lino. 

 The butts, then are tho only ">arte that need treatment. 



It was shown in the permanent iroprovonent rork on 

 the California that thoroughly seasoned white fir cr-n be 

 successfully treated rith creosote. In fnct, the Santa Pe 

 Rsilvny is no*r creosotin~ chite i'lr ties. 



A carload of "*iito fir poloe is to be sent by us 

 to the San Joaruln Li :ht and "oror Go. for oxporlnonto as 

 to their wliio v^^on creosotof i"or po"or pnr^oooe. 



\/hlte fir is t leo r.n A !To. 1 material for paper 

 cs erperimontc at our I'rf.ioon Ltbortitory hpvo oho\Tn. 

 The Floriston ^lp i\nrt -teper Company use Ir.r-ro quantities of 

 it in wheir pulp nonurt oture. ^e aro nov; tryiiv; to interest 

 paper co"ipcnle8 in a r/hite Tlr oropoeltion on the Shpsta, 

 about 200,000,000 foot ero evaliajlo in a ^-ood locr--cion close 

 to the rcilrocd cnc -.wtor po^er. 



,'hito fir 'TOO floo used in tho ^Voucherio experi- 

 ments on the -Idortdo ("urin- the >c-6t yotr. ^y this 

 prccoss cop 'er eulphtte ie injected into tho Hiolo pole. 

 The er^erirnont io of roat interest, t.s it is the first of 

 its 'rinfi over performed in Anerlcn. In 3orr*iny anrt ?ranco 

 the rnojority of telephone anT tolo yraph polos ero treated in 

 thio -rannor. It io only of v luo in loctlitios ^horo the 

 soil ic frirly dry. 31rnil!r ox:>ori:nenu8, on a more ox- 

 tont-ivo oct Io, ^111 oo crrrio on next sprint sri* surrter. 

 Several epecioB 'ill bo triod out, us in-: oo rper sulphate , 

 zinc chloride me 1 r. pn'jo^tod .>rosorvative OIOV.TI as Aozol. 



Tho noecUes, tr.-l :s, anr' cones of this fir, as well 

 as those of tho rod fir, rill 10 su'o^octet' to stonrn 

 distillation tests durln r the co'iin^ year. 



