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Show On the very u explicit" tory d the slopes, since oru and of the a ar-r i.vat fairly the cases of the result depletion, however, sioners' e the watershed areas i.gh ty a had been July in 1930. At the gr-az Lng Overgrazing on places, th2.-G of The '='he prinary even such livestock, largely depleted 2.S ground was steeper slopes, the cause only basis In the vegetation the mourrta i,n weed before almost the end of the more on favor entirely bare. the sheep and cattle, latter of commis T1e the gentler ones. commission then turned to the crucial matter of preventive maintenance, and its recommendations ing indeed. trails contribution to the over[;r2.zing. had been done by both the create v,ratering places 2nd in the Some ago. years subs tarrt i al, Lrrve s t Lga t i.on disclosed that to replaced overgrazing -had in or deliberately--to vegetation. "nigger-head," former to common of brush had Others had been accidental. Vias W2.S nOTI12.lly unpal.at.ab'Le able cover pioneers cover. o:f wat er-shed depletion contrib thoueJ1 considerable depletion dense fires had been set through the dense both a st2nds had since regener maple Even Fires had been the 'also was of timoer had been growth except where fires tervened. report conifer tllJber still ch2T2cterized much of the of aspen d such tree the abuses had been curbed several vzor-s t ated satisfactorily. canyon denudation, Over-cutting The cause. years aGo, of causes The cornerstone upon which from wh Lch were sweep they lcy--the any func t i.ona'l proGram could pr-oceed-s- |