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Doyle board-feet calculator
Small-end diameter inside bark, length in feet. Doyle is what a lot of Southern mills still talk.
Planning only. Doyle = (D−4)² × L/16. Scribner here is the common 0.79D²−2D−4 approximation, not a mill’s printed table. Not a timber cruise.
Words used here
Doyle log ruleScribner log ruleBoard-foot
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