Pamphlets on Forestry, Volume 121991 |
From inside the book
Results 1-3 of 65
Page 8
... trail will assist materially in the construction of the wagon road , then the trail specifications for route and grade should be rigidly held to those suitable for wagon roads . CLASSIFICATION BASED ON USE . The classification is based ...
... trail will assist materially in the construction of the wagon road , then the trail specifications for route and grade should be rigidly held to those suitable for wagon roads . CLASSIFICATION BASED ON USE . The classification is based ...
Page 56
... trail before undertaking the reconnaissance . The preliminary work once accomplished and a definite record made of it , the construction work may proceed without delay at any time special trail money is available or spare time of ...
... trail before undertaking the reconnaissance . The preliminary work once accomplished and a definite record made of it , the construction work may proceed without delay at any time special trail money is available or spare time of ...
Page 58
... trail is the probability of later building a telephone line along the same route . The work of clearing will be modified to some extent if a tree telephone line is planned to follow the trail . The supporting trees for the line should ...
... trail is the probability of later building a telephone line along the same route . The work of clearing will be modified to some extent if a tree telephone line is planned to follow the trail . The supporting trees for the line should ...
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