Visual display of the Aldo Leopold papers : 9/25/10-3 : County, State and Foreign Files

 troes shuld 'be planted so a- to provEs' living pOsts 0 which the fs.r can

 s   d   bmg his roa  fenco. 1s 3-5 ro   strip of l  between sar fetens 
 and hitaw shouder would be imfenea, cultivated crp jazi. 
        In like mnner the plntoM shelter belts ea provid living fence 
posts for futute us*, If Lsire4. 
        A-.a buaildnV by all usn be protoed by tiuber in orer to 
meoerate sover* wiWattmw, both I% sehr MA    winter, .mE for proteetion 
aainst col4 winds m       bleedce fteMas in the winter. When timber 
shelterimg buildis  &Miets or Is & Part of a larger timber belt fire
should be pride   aroun the bleok  urouning the 'buldings. 
        A~rdiNg to the pln as made this ere, would seae dEq have eproeuinato1y

 15,000 acres of timber 10, 7000 as fe eorop lea, approlInately 350 acres

 of mar  loaE, ineluding oeedeE hlghWqs. The timber lan    above given iselvses

 the &are   in fire lanes, mad the orop load insludes the acreae in shelter

 belts. 1h sereqes of farm land may be rodueod at my time by increasing the

 width of shelter belts. This might be a desirable stop is abeat tvewty-five

 years so that in seuree of time those leas established as shelter belts

 wti   th next &*ode, 'wold in about sem ty-five yw   be meeuod Mi as

 orop laoE. In other words, It woEld be a long-time timber oreaaad rotation.

        Aprximately thirty-two miles of shelter belt me snowe, Tee.&

needed to eomplte the plan. Te   inim=areage figuring two reds in width 
would reve from cultivaton 123 acres.  he writer thinks that this shoeld

b  increased as much as the imedte falities pereit on those lands classified

  aspoor agricultural land. 
       About 5 mtles of fire la s. I% adition to protest fields maE public

ro*s a"a alled for in the plen. Without questioa this shoald be the
step of public polic i the planned uee of this sa. Private ownership 
should also coosibr the step. bwh a progam seen. like       troendovs task,


espeetally when the recollection of man is short fr the deam      ec  u 
from the elements. Hwever, it must be 4itttnotly rembere   that subh 
protetion for buildings, highwas, ad fam   fields and crops, when one* 
setablished, becmes e    mstely & ine mtter of msintussa. reo iriut 
practially no work. Uer selotive cuttin     the beefits are there for 
very long times. 
        It takes f   forty to seventy-five years to produce a timber rorp.

If ever  fire which stats an   anM suffiotent ho*AW  rves & sectton 
or   quarter of a setin, the loss is too great. With my amont of travel 
thr.o*n w     of this kin the fire hazard Is ertaisnly prsent a  fires 
one- stared   r seldom put out until, attet by back fires, they barn thom

solves out upon soe well defined line.  he proble of fire cntrol is 
Confinement to & small ae&. 
        In this and similar  eas lae tracts support only serab o  or 
pine. Dotter groth is proludeA by low soil, nitrog   ad oranic satter 
"suppflis. The function of 1ues in nature is wall aerstoot. It 
absen. of lmes on              land, in 4o.eo pVia timber, ead in srcb o~k

openin   esp  atly those areas owpt by fires. is notiesable. The soil 
being naturally d-outhy, ait, and low in humus, the legaNe basteria perish

with the logus pluto and natural rvegetatin b    esm a  extrmely 
fortuitous ar    tane, whereby seat. bacteria. ad adequate moisture intro-

duatiso mut occur concurre.tly to bring about reestablitshent of £

leawnous population. Ti.s migt be pronounced Impossible, bat probably It

it would occur in a .eat=7 or two,   R      i2:8 fi  me" w ept out.

        Rhe production of soo4 of native luminous plant speeos for planting

on ar" to be "ftorested 2-5 years prior to setting trees, or eve
at the 
"s. time trees as set out. shoul-d recive the serious sonsideration
of thoe*