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D25 Specification for Round Timber Piles
D245 Practice for Establishing Structural Grades and Related Allowable Properties for Visually Graded Lumber
D2555 Practice for Establishing Clear Wood Strength Values
D2899 Practice for Establishing Allowable Stresses for Round Timber Piles
D3200 Specification and Test Method for Establishing Recommended Design Stresses for Round Timber Construction Poles