Pamphlets on Forestry, Volume 121991 |
From inside the book
Results 1-3 of 67
Page 60
SOUND WHITE PINE . Logs per thousand . Grade . Grade value per thousand . 18 3 Per cent Propor- of grade . tional Per cent value . of grade . Propor- tional Per cent value . of grade . Propor- tional value . B select . $ 45.00 0.14 ...
SOUND WHITE PINE . Logs per thousand . Grade . Grade value per thousand . 18 3 Per cent Propor- of grade . tional Per cent value . of grade . Propor- tional Per cent value . of grade . Propor- tional value . B select . $ 45.00 0.14 ...
Page 11
... GRADE . A consideration of the purposes and uses of the proposed trail has determined the class into which it falls ... grades 11 Long steep grades......... 11.
... GRADE . A consideration of the purposes and uses of the proposed trail has determined the class into which it falls ... grades 11 Long steep grades......... 11.
Page 12
200 to 300 yards ; for grades exceeding 20 per cent , about 100 to 150 yards apart . The resting places should be about 30 feet in length and should not exceed a 5 per cent grade , preferably level . EVENLY SUPPORTED GRADES . The best ...
200 to 300 yards ; for grades exceeding 20 per cent , about 100 to 150 yards apart . The resting places should be about 30 feet in length and should not exceed a 5 per cent grade , preferably level . EVENLY SUPPORTED GRADES . The best ...
Contents
Object of the publication | 9 |
Description of the different lines of investigationContinued | 12 |
Wood distillation | 25 |
78 other sections not shown
Common terms and phrases
acres amount annual appraisals average bark brush burning capital cent cooperation cost cover creosote crop Department of Agriculture depreciation determine diameter district Division of Forestry Douglas fir effect Engelmann spruce equipment Experiment Station farm farmers fibers fixed investments forage forest land forest reserves Forest Service Fort Bayard furnish germination grade grazing ground growth important improvements inches investigations investment loblolly pine lodgepole pine longleaf pine lookout lumber material ment methods miles mill moisture mountain National Forests operation owners patrol piling plantations planting poles practical present profit protection railroad range rangers red spruce region reproduction season secure seedlings sheep silvicultural slope soil sowing spark arresters species spring spruce streams studies stumpage sugar pine supply Telephone Company thousand feet timber tion trail trees warden white fir white pine wood lot yellow pine