The USDA Forest Service standard grades for hardwood factory lumber logs are described, and lumber grade yields for 16 species and 2 species groups are presente

S2If we are to meet the increasing demand for lumber through more intensive forest management and increased utilization, we must find ways to economically proce

S2The Forest Service hardwood tree grades for factory lumber are described, and lumber grade yields for 111 species are presented. The yields, expressed in boar