"Lumbering By-products." . . . . . . . . "Suitability of the line intersect method for sampling hardwood logging residues"@en . . "Suitability of the line intersect method for sampling hardwood logging residues" . . . . . . . . . . . . . . . . "United States." . . "Lumbering United States By-products." . . "Hardwoods." . . "United States. Forest Service." . .