Number 3 / Fall 1977

Research Contributions

• National Program of Research for Forests and Associated Rangelands

  Laurence E. Lassen

  171-171

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• Bark Structure of Southern Upland Oaks

  Elaine T. Howard

  172-183

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• Bark-Tissue Thickness of Coastal Western Hemlock in British Columbia

  A. E. Bramhall, R. M. Kellogg, R. W. Meyer, W. G. Warren

  184-190

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• Salt Damage to Northern White-Cedar and White Spruce

  Norman P. Kutscha, Fay Hyland, Alan R. Langille

  191-201

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• The Uniformity Factor-a Proposed Method for Expressing Variations in Specific Gravity

  James R. Olson, Donald G. Arganbright

  202-210

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• A Note on Anatomical Changes of White Oak Wood Upon Exposure to Gamma Radiation

  P. K. Tabirih, E. A. McGinnes, M. A. Kay, C. A. Harlow

  211-215

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• Fracture Toughness and Duration of Load Factor II. Duration Factor for Cracks Propagating Perpendicular-to-Grain

  Arno P. Schniewind

  216-226

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