April 5 and 6, 1971U.S. Government Printing Office, 1971 - 1247 lappuses |
Bieži izmantoti vārdi un frāzes
agencies allowable cut areas Bitterroot Bitterroot National Forest board feet Bolle Chairman clear clearcutting commercial forest Commission committee concern Congress Creek Deer Douglas-fir economic environment environmental erosion esthetic even-aged management facto wilderness Federal fire forest lands forest management forest products forestry funds growing growth habitat HANSBERGER hardwood hearing Idaho impact increased industry land management logging lumber management practices ment million acres Monongahela National Forest Montana multiple multiple-use Northwest nutrients Oregon percent pine ponderosa pine problem protection public lands question Ravalli County recommendations recreation regeneration region result River road scenic sediment selective cutting Senator BELLMON Senator CHURCH Senator HANSEN Senator HATFIELD Senator METCALF silviculture soil species Square Mile stand statement streams sustained yield testimony Thank timber harvesting timber management timber production timber sales tion trees U.S. Forest Service United University of Montana values watershed West Virginia wildlife wood