methods were esen~tially .J~evised so as to smvoic -he. necossity1o repeating
detailed eatimates in tie reports The n ap a aind section descriptions mrnde
in til fflelA l*orm acour&ate original date that is readily accessiblo.
isr wvh Ay      r 
erly ).J considere. -I i itetra  pnrt or thoo report. in other words, the
errors so(-n to 1-ive been or' r;is8-Jon, Vn1 oomissiono 
In what mit-jt be termed the "working pifin" or  np 
ciql siale Ai1n" there is no ..:asription of V-1(, sihticulturn'l 
sysemto be followed to insure retrc-Avotion. Tio ittrormstion Is glvnn~f
as to t,* amount or chirnater or     upon 
which thlt rotatf.on of 7) yeters is *V.yoreover# Bsi~ee 
the  1 UPr~  ;es~t "yellov 1Ane" is untially lb ers old and the
fairly t-iire "black Jack"~ from 10'/  to 1&' years# It Is
not clear how a roLotionr~ ot7 % yeare c-,oald Ibc jtitlf led.  1 realize
tiii~t with q~ lvrge A- -rea or virgin tim-her it would uncubtedly be a finncil
econ~omy to Out out tihe -!atljrc timbor ovear the entire rrea as rttpidly
as~ rntaibe. In atkier w'rds, to r,:& aa the  g'ilrowing atoc% to a 
Ing a totaior of 7%. ye*sr~o , ut Ye should r~th~rr -c-int what we belieyve
to be' nroprr rot-,tion anid thcn hp-*e u-,ur annu~l ot exaod th~e et'ktf-t
- annn.0ity Of~ the F~orest until tile ;jPowing atc kig~peduOce  to 1 fht
To f-tlnate to be m imor4~ norm'1 amount. 
 
Mrs Js tpo Ois"4*3