DATA-BANK FOR SHORT-LENGTH RED OAK LUMBER

This data bank for short-length lumber (less than 8 feet long) contain s information on board outlines and defect size and quality for 426 4/ 4-inch-thick red oak boards. The Selects, 1 Common, 2A Common, and 3A Common grades are represented in the data bank. These boards are too s hort to be FAS. The data bank provides the kind of detailed lumber des cription that is required as input by computer programs that analyze r ough mill yield. The data bank format provides more information than d o other available board data sets. For Selects grade boards, the quali fying back-face rule used to grade the board is noted. For the other b oard grades, the percentage of the board-surface measure found in the grading cuttings and the number of cuttings used to determine the grad e are given. Tables are included that list the boards by grade, width, length, and quality. These can be used to select subsamples when boar ds of specified sizes or quality levels are needed for a study.