Pamphlets on Forestry, Volume 121991 |
From inside the book
Results 1-3 of 71
Page 37
... stream - flow experiment as it is con- ducted on the Rio Grande National Forest is to determine by means of the most highly accurate measurements the effect of forest cover upon the high and low water stages of mountain streams , the ...
... stream - flow experiment as it is con- ducted on the Rio Grande National Forest is to determine by means of the most highly accurate measurements the effect of forest cover upon the high and low water stages of mountain streams , the ...
Page 126
... streams , where it impedes naviga- tion and causes overflow . While the model is not intended primarily to show more than the erosion processes , it can be used to show also that a forest - covered slope acts as a reservoir in ...
... streams , where it impedes naviga- tion and causes overflow . While the model is not intended primarily to show more than the erosion processes , it can be used to show also that a forest - covered slope acts as a reservoir in ...
Page 4
... streams are navigable . Some streams actually navi- gable are not shown on the map as such , which may be due to the fact that their tonnage in 1907 was negligible ; for information on their navigability the reports are consulted , the ...
... streams are navigable . Some streams actually navi- gable are not shown on the map as such , which may be due to the fact that their tonnage in 1907 was negligible ; for information on their navigability the reports are consulted , the ...
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