58. Blue ash.
59. White elm.
60. Redwood.
61. Red cedar.
62. Big tree.
63. White cedar.
64. Black willow.
LIST OF 66 COMMON WOODS ARRANGED IN THE ORDER OF THEIR HARDNESS.
1. Mahogany.
2. Pignut.
3. Mockernut.
4. Post oak.
5. Sh.e.l.lbark hickory.
6. Black locust.
7. Hard maple.
8. Western white oak.
9. Bur oak.
10. Basket oak.
11. Cherry birch.
12. Blue ash.
13. White oak.
14. Blue beech.
15. Cork elm.
16. Wild black cherry.
17. Red ash.
18. Black oak.
19. White ash.
20. Sour gum.
21. Black walnut.
22. Beech.
23. Black ash.
24. Slash pine.
25. Soft maple.
26. Red oak.
27. Red maple.
28. White elm.
29. Oregon ash.
30. Sycamore.
31. Oregon maple.
32. Yellow birch.
33. Long leaf pine.
34. Red cedar.
35. Western larch.
36. Sweet gum.
37. Red birch.
38. Short leaf pine.
39. Canoe birch.
40. Tamarack.
41. Cuc.u.mber tree.
42. Western yellow pine.
43. Loblolly pine.
44. Chestnut.
45. Douglas spruce.
46. Black willow.
47. b.u.t.ternut.
48. Norway pine.
49. Yellow poplar.
50. Lawson cypress.
51. Hemlock.
52. Bald cypress.
53. Sugar pine.
54. Red spruce and Black spruce.
55. Redwood.
56. Engelmann"s spruce.
57. White pine.
58. White spruce.
59. Tideland spruce.
60. Western white cedar.
61. Big tree.
62. White cedar.
63. Western white pine.
64. Ba.s.swood.
65. Grand fir.
THE PRINc.i.p.aL SPECIES OF WOODS.
REFERENCES:[A]
Sargent, _Jesup Collection_.
Sargent, _Manual_.
Britton.
Roth, _Timber_.
Hough, _Handbook_.
Keeler.
Apgar.
Mohr. _For. Bull._, No. 22.
Fernow, _Forestry Investigations_.
Lumber Trade Journals.
Baterden.
Sargent, _Silva_.
Sargent, _Forest Trees_, 10th Census, Vol. IX.
Boulger.
Hough, _American Woods_.
Snow.
Lounsberry.
Spaulding. _For. Bull._, No. 13.