444 



Forestry Quarterly 



for trees 10 inches in diameter. Eighteen inches may be regarded 

 as the diameter below which rapid rise in cost takes place. The 

 cost seems to be lowest for trees between 30 and 38 inches in 



TMOUSA/^OS 



./O '^ /e 22 26 30 3^ 38 

 Sreast Aiyh diamef'ef of tr&e^ in inches 



^2 



*tf 



'/(^ I ./^e/at/i/'e /-//Tre pe./- /OOO J>oa^ef feet m/// cut, of fe/i/no ancf huck/no 

 ^r-ees of cfiffisr^nf ci/arne/-&rs cr/7cf ca/sctc/ff /oc /rtaf/ for- /O h/r day. 



LEGEAfD: 



Ojoer-aA/ort /. 

 ^e.//tno and bucM/no. 

 JC /^£S J ma/t -cretv, day /<i6or- 



3 C/^S3 — «"^ ^ — >^/wct/T -cr-ery, confracif 



ZC/^&0 ^mmmmmmmmZ fTfan-CrVO*', CortfrXZCf. 



0/>eraf/on Z. 



.Jman-crei^ fef//np. 



3r Oaks — 



3F f^/ne andpop/ar- 3frrct>yc'^yyfe.f//''ro. 



ZF Oaks 2ny<xn -crvfyfie/fJ/iy. 



2/*/^/?e ttndpop/a^ 2/77<x/7-c/Ts>i' fk.//tnp. 



Operetf/o/7^3. 



Zfi F^Z-B *Kn%n.Kx%H%itxZ fnan-c^et^ ft/Z/np/tAucfi/ny. 

 ^f^F *-*-*-*^~ii'*-t~%2maJ7-cnetv fe//tnp. 

 Z^O*"—*—* — K — » Z/Tf<xrt-c/-e^ Jt>uck/y7o. 



AifCr-aye. of a// o o O o o o o o o 



