Proceedings of the Society of American Foresters, Volúmenes5-6

acre agriculture American journal amount of seed annual Appalachian forest reserve Appalachian Mountains average seed production board-foot Boston Bulletin burning cent coal cones congress-1st session congress-2d session digger pine dipterocarp District Douglas fir England Eucalyptus Eucalyptus Globulus Eucalyptus Marginata feet field fire Forest Service Forestry and irrigation full seed Geography geology Georgia groups growth Hampshire House bill inches journal of science land loblolly loblolly pine logs Maine Maryland Mass measurements method middle diameters mineral moisture national forest reserve nitrogen North Carolina obtained pine pits plantation plants ranger region regulation Rhodora river sample trees season seed crops seedlings shortleaf shortleaf pine silvicultural slope Society soil South Southern Appalachian species spruce stands streams Tennessee timber tion tracheids trichomes U. S.-Geological survey United vessels Wash Washington watersheds West Virginia White Mountain region willow Wimmenauer wood yield