1. Regions
1.1. West Coast Region
1.1.1. Species
1.1.1.1. Cedar
1.1.1.1.1. Alaska Yellow Cedar
1.1.1.1.2. Incense Cedar
1.1.1.1.3. Port Orford Cedar
1.1.1.1.4. Western Red Cedar
1.1.1.2. Douglas Fir
1.1.1.2.1. Douglas Fir
1.1.1.3. Hemlock
1.1.1.3.1. Western Hemlock
1.1.1.4. Redwood
1.1.1.4.1. Redwood
1.1.1.5. Spruce
1.1.1.5.1. Sitka Spruce
1.2. The Inland Region
1.2.1. Species
1.2.1.1. Cedar
1.2.1.1.1. Incense Cedar
1.2.1.1.2. Inland Red Cedar
1.2.1.2. Douglas Fir
1.2.1.2.1. Douglas Fir
1.2.1.3. Larch
1.2.1.3.1. Western Larch
1.2.1.4. Pine
1.2.1.4.1. Idaho White Pine
1.2.1.4.2. Ponderosa Pine
1.2.1.4.3. Sugar Pine
1.2.1.4.4. Lodgepole Pine
1.2.1.5. Spruce
1.2.1.5.1. Engelmann Spruce
1.2.1.5.2. White Spruce
1.2.1.6. True Firs
1.2.1.6.1. Alpine Fir
1.2.1.6.2. Balsam Fir
1.2.1.6.3. California Red Fir
1.2.1.6.4. Grand Fir
1.2.1.6.5. Noble Fir
1.2.1.6.6. Pacific Silver Fir
1.2.1.6.7. White Fir
1.3. The Southern Region
1.3.1. Species
1.3.1.1. Pine
1.3.1.1.1. Major Species
1.3.1.1.2. Minor Species
1.4. The Central & East Region
1.4.1. Species
1.4.1.1. Hemlock
1.4.1.1.1. Eastern Hemlock
1.4.1.2. Larch
1.4.1.2.1. Eastern Larch (Tamarack)
1.4.1.3. Pine
1.4.1.3.1. Jack Pine
1.4.1.3.2. Red Pine
1.4.1.3.3. White Pine
1.4.1.4. Spruce
1.4.1.4.1. Black Spruce
1.4.1.4.2. Red Spruce
1.4.1.4.3. White Spruce
1.4.1.5. True Firs
1.4.1.5.1. Balsam Fir
1.5. Western Canadian Region
1.5.1. Species
1.5.1.1. Cedar
1.5.1.1.1. Incense Cedar
1.5.1.1.2. Western Red Cedar
1.5.1.2. Douglas Fir
1.5.1.2.1. Douglas Fir
1.5.1.3. Larch
1.5.1.3.1. Western Larch
1.5.1.4. Pine
1.5.1.4.1. Western White Pine
1.5.1.4.2. Ponderosa Pine
1.5.1.4.3. Lodgepole Pine
1.5.1.5. Spruce
1.5.1.5.1. Engelmann Spruce
1.5.1.5.2. White Spruce
1.5.1.6. True Firs
1.5.1.6.1. Alpine Fir
1.5.1.6.2. Balsam Fir
1.5.1.6.3. Grand Fir
1.5.1.6.4. Noble Fir
1.5.1.6.5. Pacific Silver Fir
1.5.1.6.6. White Fir
1.6. Eastern Canadian Region
1.6.1. Species
1.6.1.1. Hemlock
1.6.1.1.1. Eastern Hemlock
1.6.1.2. Larch
1.6.1.2.1. Eastern Larch (Tamarack)
1.6.1.3. Pine
1.6.1.3.1. Jack Pine
1.6.1.3.2. Red Pine
1.6.1.3.3. White Pine
1.6.1.4. Spruce
1.6.1.4.1. Black Spruce
1.6.1.4.2. Red Spruce
1.6.1.4.3. White Spruce
1.6.1.5. True Fir
1.6.1.5.1. Balsam Fir
2. Species
2.1. Cedar
2.1.1. Alaska Yellow Cedar
2.1.2. Incense Cedar
2.1.3. Port Orford Cedar
2.1.4. Western Red Cedar
2.1.5. Inland Red Cedar
2.1.6. Alaska Cedar
2.1.7. Northern White Cedar
2.1.8. Pacific Yellow Cedar
2.1.9. Yellow Cedar
2.2. Douglas Fir
2.2.1. Douglas Fir
2.3. Hemlock
2.3.1. Western Hemlock
2.3.2. Eastern Hemlock
2.3.3. Alaska Hemlock
2.3.4. Mountain Hemlock
2.4. Redwood
2.4.1. Redwood
2.5. Spruce
2.5.1. Sitka Spruce
2.5.1.1. Coast Sitka Spruce
2.5.1.2. Alaska Sitka Spruce
2.5.2. Engelmann Spruce
2.5.3. Black Spruce
2.5.4. Red Spruce
2.5.5. White Spruce
2.5.5.1. Alaska White Spruce
2.6. Larch
2.6.1. Western Larch
2.6.2. Eastern Larch (Tamarack)
2.7. True Firs
2.7.1. Alpine Fir
2.7.2. Balsam Fir
2.7.3. California Red Fir
2.7.4. Grand Fir
2.7.5. Noble Fir
2.7.6. Pacific Silver Fir
2.7.7. White Fir
2.7.8. Amabilis Fir
2.8. Pine
2.8.1. Idaho White Pine
2.8.2. Ponderosa Pine
2.8.3. Sugar Pine
2.8.4. Lodgepole Pine
2.8.5. Loblolly Pine
2.8.6. Longleaf Pine
2.8.7. Shortleaf Pine
2.8.8. Slash Pine
2.8.9. Virginia Pine
2.8.10. Pond Pine
2.8.11. Sand Pine
2.8.12. Spruce Pine
2.8.13. Jack Pine
2.8.14. Red Pine
2.8.15. White Pine
2.8.16. Western White Pine
2.8.17. Eastern White Pine
2.8.18. Norway (Red) Pine
2.8.19. Pitch Pine
2.9. Cypress
2.9.1. Baldcypress
2.10. Aspen
2.10.1. Big Tooth Aspen
2.10.2. Quaking Aspen
2.11. Cottonwood
3. Mixed Species Groups
3.1. Hemlock & True Firs (Hem-Fir of H-F)
3.1.1. Region
3.1.1.1. West Coast Region
3.1.1.1.1. Species
3.1.1.2. The Inland Region
3.1.1.2.1. Species
3.1.1.3. Western Canadian Region
3.1.1.3.1. Species
3.2. Western Cedars (WC)
3.2.1. Region
3.2.1.1. Western Canadian Region
3.2.1.1.1. Species
3.2.1.2. The Inland Region
3.2.1.2.1. Species
3.2.1.3. West Coast Region
3.2.1.3.1. Species
3.3. Western Woods (WW)
3.3.1. Region
3.3.1.1. West Coast Region
3.3.1.1.1. Species
3.3.1.2. The Inland Region
3.3.1.2.1. Species
3.4. Douglas Fir & Larch (D Fir-L or F&L)
3.4.1. Region
3.4.1.1. Western Canadian Region
3.4.1.1.1. Species
3.4.1.2. The Inland Region
3.4.1.2.1. Species
3.5. Engelmann Spruce-Lodgepole Pine (ES-LP)
3.5.1. Region
3.5.1.1. The Inland Region
3.5.1.1.1. Species
3.6. Spruce-Pine-Fir South (SPF-S)
3.6.1. Region
3.6.1.1. The Inland Region
3.6.1.1.1. Species
3.6.1.2. The Central & Eastern Region
3.6.1.2.1. Species
3.7. Southern Pine (Major Species)
3.7.1. Region
3.7.1.1. The Southern Region
3.7.1.1.1. Species
3.8. Southern Pine (Minor Species)
3.8.1. Region
3.8.1.1. The Southern Region
3.8.1.1.1. Species
3.9. Hemlock-Tamarack (Hem-Tam)
3.9.1. Region
3.9.1.1. The Central & Eastern Region
3.9.1.1.1. Species
3.9.1.2. Eastern Canadian Region
3.9.1.2.1. Species
3.10. Spruce-Pine-Fir (SPF)
3.10.1. Region
3.10.1.1. Western Canadian Region
3.10.1.1.1. Species
3.10.1.2. Eastern Canadian Region
3.10.1.2.1. Species
3.11. Alaska Cedar
3.11.1. Species
3.11.1.1. Alaska Cedar
3.11.2. Grading Rules Agencies
3.11.2.1. WCLIB
3.12. Alaska Hemlock
3.12.1. Species
3.12.1.1. Alaska Hemlock
3.12.2. Grading Rules Agencies
3.12.2.1. WWPA
3.13. Alaska Spruce
3.13.1. Species
3.13.1.1. Alaska Sitka Spruce
3.13.1.2. Alaska White Spruce
3.13.2. Grading Rules Agencies
3.13.2.1. WWPA
3.14. Alaska Yellow Cedar
3.14.1. Species
3.14.1.1. Alaska Yellow Cedar
3.14.2. Grading Rules Agencies
3.14.2.1. WCLIB
3.14.2.2. WWPA
3.15. Aspen
3.15.1. Species
3.15.1.1. Big Tooth Aspen
3.15.1.2. Quaking Aspen
3.15.2. Grading Rules Agencies
3.15.2.1. NELMA
3.15.2.2. NSLB
3.15.2.3. WWPA
3.16. Baldcypress
3.16.1. Species
3.16.1.1. Baldcypress
3.16.2. Grading Rules Agencies
3.16.2.1. SPIB
3.17. Balsam Fir
3.17.1. Species
3.17.1.1. Balsam Fir
3.17.2. Grading Rules Agencies
3.17.2.1. NELMA
3.17.2.2. NSLB
3.18. Coast Sitka Spruce
3.18.1. Species
3.18.1.1. Coast Sitka Spruce
3.18.2. Grading Rules Agencies
3.18.2.1. NLGA
3.19. Coast Species
3.19.1. Species
3.19.1.1. Amabilis Fir
3.19.1.2. Coast Sitka Spruce
3.19.1.3. Douglas Fir
3.19.1.4. Western Hemlock
3.19.1.5. Western Larch
3.19.2. Grading Rules Agencies
3.19.2.1. NLGA
3.20. Cottonwood
3.20.1. Species
3.20.1.1. Cottonwood
3.20.2. Grading Rules Agencies
3.20.2.1. NSLB
3.21. Douglas Fir-Larch
3.21.1. Species
3.21.1.1. Douglas Fir
3.21.1.2. Western Larch
3.21.2. Grading Rules Agencies
3.21.2.1. WCLIB
3.21.2.2. WWPA
3.22. Douglas Fir-Larch (North)
3.22.1. Species
3.22.1.1. Douglas Fir
3.22.1.2. Western Larch
3.22.2. Grading Rules Agencies
3.22.2.1. NLGA
3.23. Douglas Fir South
3.23.1. Species
3.23.1.1. Douglas Fir
3.23.2. Grading Rules Agencies
3.23.2.1. WWPA
3.24. Eastern Hemlock
3.24.1. Species
3.24.1.1. Eastern Hemlock
3.24.2. Grading Rules Agencies
3.24.2.1. NELMA
3.24.2.2. NSLB
3.25. Eastern Hemlock-Balsam Fir
3.25.1. Species
3.25.1.1. Eastern Hemlock
3.25.1.2. Balsam FIr
3.25.1.3. Tamarack
3.25.2. Grading Rules Agencies
3.25.2.1. NELMA
3.26. Eastern Hemlock-Tamarack
3.26.1. Species
3.26.1.1. Eastern Hemlock
3.26.1.2. Tamarack
3.26.2. Grading Rules Agencies
3.26.2.1. NELMA
3.26.2.2. NSLB
3.27. Eastern Hemlock-Tamarack (North)
3.27.1. Species
3.27.1.1. Tamarack
3.27.1.2. Eastern Hemlock
3.27.2. Grading Rules Agencies
3.27.2.1. NLGA
3.28. Eastern Softwoods
3.28.1. Species
3.28.1.1. Balsam Fir
3.28.1.2. Black Spruce
3.28.1.3. Eastern Hemlock
3.28.1.4. Eastern White Pine
3.28.1.5. Jack Pine
3.28.1.6. Norway (Red) Pine
3.28.1.7. Pitch Pine
3.28.1.8. Red Spruce
3.28.1.9. Tamarack
3.28.1.10. White Spruce
3.28.2. Grading Rules Agencies
3.28.2.1. NELMA
3.28.2.2. NSLB
3.29. Eastern Spruce
3.29.1. Species
3.29.1.1. Black Spruce
3.29.1.2. Red Spruce
3.29.1.3. White Spruce
3.29.2. Grading Rules Agencies
3.29.2.1. NELMA
3.29.2.2. NSLB
3.30. Eastern White Pine
3.30.1. Species
3.30.1.1. Eastern White Pine
3.30.2. Grading Rules Agencies
3.30.2.1. NELMA
3.30.2.2. NSLB
3.31. Eastern White Pine (North)
3.31.1. Species
3.31.1.1. Eastern White Pine
3.31.2. Grading Rules Agencies
3.31.2.1. NLGA
3.32. Hem-Fir
3.32.1. Species
3.32.1.1. California Red Fir
3.32.1.2. Grand Fir
3.32.1.3. Noble Fir
3.32.1.4. Pacific Silver Fir
3.32.1.5. Western Hemlock
3.32.1.6. White Fir
3.32.2. Grading Rules Agencies
3.32.2.1. WCLIB
3.32.2.2. WWPA
3.33. Hem-Fir (North)
3.33.1. Species
3.33.1.1. Amabilis Fir
3.33.1.2. Western Hemlock
3.33.2. Grading Rules Agencies
3.33.2.1. NLGA
3.34. Mixed Southern Pine
3.34.1. Species
3.34.1.1. Loblolly Pine
3.34.1.2. Longleaf Pine
3.34.1.3. Shortleaf Pine
3.34.1.4. Slash Pine
3.34.1.5. Pond Pine
3.34.1.6. Virginia Pine
3.34.2. Grading Rules Agencies
3.34.2.1. SPIB
3.35. Mountain Hemlock
3.35.1. Species
3.35.1.1. Mountain Hemlock
3.35.2. Grading Rules Agencies
3.35.2.1. WWPA
3.35.2.2. WCLIB
3.36. Northern Pine
3.36.1. Species
3.36.1.1. Jack Pine
3.36.1.2. Norway (Red) Pine
3.36.1.3. Pitch Pine
3.36.2. Grading Rules Agencies
3.36.2.1. NELMA
3.36.2.2. NSLB
3.37. Northern White Cedar
3.37.1. Species
3.37.1.1. Northern White Cedar
3.37.2. Grading Rules Agencies
3.37.2.1. NELMA
3.38. Ponderosa Pine
3.38.1. Species
3.38.1.1. Ponderosa Pine
3.38.2. Grading Rules Agencies
3.38.2.1. NLGA
3.39. Red Pine
3.39.1. Species
3.39.1.1. Red Pine
3.39.2. Grading Rules Agencies
3.39.2.1. NLGA
3.40. Redwood
3.40.1. Species
3.40.1.1. Redwood
3.40.2. Grading Rules Agencies
3.40.2.1. RIS
3.41. Sitka Spruce
3.41.1. Species
3.41.1.1. Sitka Spruce
3.41.2. Grading Rules Agencies
3.41.2.1. WWPA
3.41.2.2. WCLIB
3.42. Southern Pine
3.42.1. Species
3.42.1.1. Loblolly Pine
3.42.1.2. Longleaf Pine
3.42.1.3. Shortleaf Pine
3.42.1.4. Slash Pine
3.42.2. Grading Rules Agencies
3.42.2.1. SPIB
3.43. Spruce-Pine-Fir
3.43.1. Species
3.43.1.1. Alpine Fir
3.43.1.2. Balsam Fir
3.43.1.3. Black Spruce
3.43.1.4. Engelmann Spruce
3.43.1.5. Jack Pine
3.43.1.6. Lodgepole Pine
3.43.1.7. Red Spruce
3.43.1.8. White Spruce
3.43.2. Grading Rules Agencies
3.43.2.1. NLGA
3.44. Spruce-Pine-Fir (South)
3.44.1. Species
3.44.1.1. Balsam Fir
3.44.1.2. Black Spruce
3.44.1.3. Engelmann Spruce
3.44.1.4. Jack Pine
3.44.1.5. Lodgepole Pine
3.44.1.6. Norway (Red) Pine
3.44.1.7. Red Spruce
3.44.1.8. Sitka Spruce
3.44.1.9. White Spruce
3.44.2. Grading Rules Agencies
3.44.2.1. NELMA
3.44.2.2. NSLB
3.44.2.3. WCLIB
3.44.2.4. WWPA
3.45. Western Cedars
3.45.1. Species
3.45.1.1. Alaska Cedar
3.45.1.2. Incense Cedar
3.45.1.3. Port Orford Cedar
3.45.1.4. Western Red Cedar
3.45.2. Grading Rules Agencies
3.45.2.1. WCLIB
3.45.2.2. WWPA
3.46. Western Cedars (North)
3.46.1. Species
3.46.1.1. Western Red Cedar
3.46.1.2. Pacific Yellow Cedar
3.46.2. Grading Rules Agencies
3.46.2.1. NLGA
3.47. Western Hemlock
3.47.1. Species
3.47.1.1. Western Hemlock
3.47.2. Grading Rules Agencies
3.47.2.1. WWPA
3.47.2.2. WCLIB
3.48. Western Hemlock North
3.48.1. Species
3.48.1.1. Western Hemlock
3.48.2. Grading Rules Agencies
3.48.2.1. NLGA
3.49. Western White Pine
3.49.1. Species
3.49.1.1. Western White Pine
3.49.2. Grading Rules Agencies
3.49.2.1. NLGA
3.50. Western Woods
3.50.1. Species
3.50.1.1. California Red Fir
3.50.1.2. Grand Fir
3.50.1.3. Noble Fir
3.50.1.4. Pacific Silver Fir
3.50.1.5. Western Hemlock
3.50.1.6. White Fir
3.50.1.7. Balsam Fir
3.50.1.8. Black Spruce
3.50.1.9. Engelmann Spruce
3.50.1.10. Jack Pine
3.50.1.11. Lodgepole Pine
3.50.1.12. Norway (Red) Pine
3.50.1.13. Red Spruce
3.50.1.14. Sitka Spruce
3.50.1.15. White Spruce
3.50.1.16. Alpine Fir
3.50.1.17. Idaho White Pine
3.50.1.18. Mountain Hemlock
3.50.1.19. Ponderosa Pine
3.50.1.20. Sugar Pine
3.50.2. Grading Rules Agencies
3.50.2.1. WCLIB
3.50.2.2. WWPA
3.51. Yellow Cedar
3.51.1. Species
3.51.1.1. Yellow Cedar
3.51.2. Grading Rules Agencies
3.51.2.1. NLGA
4. Lumber Types
4.1. Boards
4.1.1. Nominal Thickness
4.1.1.1. 1"
4.1.2. Nominal Width
4.1.2.1. 2
4.1.2.2. 3
4.1.2.3. 4
4.1.2.4. 5
4.1.2.5. 6
4.1.2.6. 7
4.1.2.7. 8
4.1.2.8. 9
4.1.2.9. 10
4.1.2.10. 11
4.1.2.11. 12
4.1.2.12. 14
4.1.2.13. 16
4.2. Common Sizes
4.2.1. 1x2
4.2.2. 1x3
4.2.3. 1x4
4.2.4. 1x6
4.2.5. 1x8
4.2.6. 1x10
4.2.7. 1x12
4.3. Dimension
4.3.1. Nominal Thickness
4.3.1.1. 2
4.3.1.2. 2-1/2
4.3.1.3. 3
4.3.1.4. 3-1/2
4.3.1.5. 4
4.3.1.6. 4-1/2
4.3.2. Nominal Width
4.3.2.1. 2
4.3.2.2. 3
4.3.2.3. 4
4.3.2.4. 5
4.3.2.5. 6
4.3.2.6. 8
4.3.2.7. 10
4.3.2.8. 12
4.3.2.9. 14
4.3.2.10. 16
4.4. Common Sizes
4.4.1. 2x2
4.4.2. 2x3
4.4.3. 2x4
4.4.4. 2x6
4.4.5. 2x8
4.4.6. 2x10
4.4.7. 2x12
4.5. Timbers
4.5.1. Nominal Thickness
4.5.1.1. 5
4.5.1.2. 6
4.5.1.3. 7
4.5.1.4. 8
4.5.1.5. 9
4.5.1.6. 10
4.5.1.7. 11
4.5.1.8. 12
4.5.1.9. 13
4.5.1.10. 14
4.5.1.11. 15
4.5.1.12. 16
4.5.1.13. 17
4.5.1.14. 18
4.5.1.15. 19
4.5.1.16. 20
4.5.1.17. 21
4.5.1.18. 22
4.5.1.19. 23
4.5.1.20. 24
4.5.2. Nominal Width
4.5.2.1. 5
4.5.2.2. 6
4.5.2.3. 7
4.5.2.4. 8
4.5.2.5. 9
4.5.2.6. 10
4.5.2.7. 11
4.5.2.8. 12
4.5.2.9. 13
4.5.2.10. 14
4.5.2.11. 15
4.5.2.12. 16
4.5.2.13. 17
4.5.2.14. 18
4.5.2.15. 19
4.5.2.16. 20
4.5.2.17. 21
4.5.2.18. 22
4.5.2.19. 23
4.5.2.20. 24
4.6. Factory / Industrial
4.6.1. Nominal Thickness
4.6.1.1. 4/4
4.6.1.2. 5/4
4.6.1.3. 6/4
4.6.1.4. 8/4
4.6.1.5. 10/4
4.6.1.6. 2/4
4.6.1.7. 16/4