147 
Timber — Continued* 
Catalpa, plantation of, in Kansas, 2.'}. 
Checking consumption of, by preserving ties, 
31. 
Chestnut. JO. 
Decay of, due to fungi, 82. 
Duration of, in bridges, culverts, etc. (foot- 
note), 16, 10. 
Enoalyptua, Got ties and telegraph polos, be- 
havior of, in use, 27. 
For maintenance of track, total Dumber cubic 
feet used, 17. 
For telegraph poles, cubic feet of, in use, 16, 17. 
Hemlock, 48. 
Importauco of growing, for future supply, 20. 
Increase in bending strength of, by creosot- 
ing, 104. 
Kinds of, chiefly used for* ties and other rail- 
road timber, 34. 
Kyanized, advantages of, for ceitain purposes, 
95. 
Larch, cultivation of, in Illinois by Illinois 
Central Railroad Company, 26. 
Long-leaved Pine, 45. 
Methods and substances for treating, to pre- 
vent washing out of antiseptics in, 85. 
Number of feet of (b. m.), to make a tie (foot- 
note), 15, 16, 31. 
Pile, cubic feet consumed per mile by roads, 
15. 
Quality and kinds of, used in Railway construc- 
tion, IS. 
Redwood, actual value of, consumed in making 
a tie, 16. 
Redwood, number of feet (b. m.) wasted in 
producing a tie, 16. 
Redwood, price paid for ties of (foot-note), 16. 
Round, cubic feet of, consumed for track tim- 
ber and construction, 16, 17. 
Seasoning of, to prevent decay, 32, 33. 
Structure of kinds chiefly used for railroad 
purposes, 34. 
Tamarack, 51. 
Tie. cost of preserving by different methods, 
88. 
Total amount of, consumed in track-construc- 
tion, 15, 17. 
Treatment of, to preserve. (See Preservation.) 
Waste of, in making ties, 15, 20. 
Western Larch, 52. 
White Cedar, 42. 
White Oak, 35. 
Yield of, per acre, 17,18. 
Timber culture: 
Aid to be given by Railroad Companies for ad- 
vancement of, 25. 
In Kansas by Fort Scott and Gulf Railroad 
Company, 23. 
Necessity of, for railroad supplies, 22. 
Necessity and success of, in Western States, 
22. 
Opinions of Railroad Companies as to advisa- 
bility of expending money in, 30. 
Reasons for Railroad Companies not generally 
engaging in, 22, 23. 
Summary of Correspondence with Railroad 
Companies concerning, 26. 
Track, railroad : 
Acres of timber cut for maintenance of, 18. 
Difference bet ween lcngt li of, and of road (loot- 
note), 14. 
Land by side of, value of, for tree culture, 30. 
Necessity of seasoning timber used in, 32, 33. 
New York Central and Hudson River Rail- 
road, length of (foot note), 15. 
Number of miles of, in United States, 14. 
Partial and permanent set of rails in, 56. 
Treatment of wood, to prevent decaj 
Antiseptics used for, 76. 
Cost of, by different methods, 88. 
Methods and substances used in, to prevent 
washing-out of antiseptics, 85. 
Methods of, (39,) 42, 48, 50, 51, 68, 72, 75,(99,) 102. 
Trees : 
Catalpa, planted in California, failure of, 28. 
Catalpa, planted in Missouri, 27. 
Eucalyptus, planted in California, 28. 
Kinds of, used for telegraph poles, 19, 27. 
Planted by Railroad Companies, 26. 
Size and age of, cut for ties, 27, 31. 
Union Pacific Railroad Company, opinion of, as to 
damage by fire to adjacent forest growths, 
30. 
Undulations formed in rails under traffic, 56. 
Vacuum process (Burnettizing) of preserving 
wood, 75. 
Amount of pressure required for, 75. 
Time required to effect thorough impregnation 
by, 76. 
Yalue : 
Of Eucalyptus timber for ties and telegraph 
poles, 27. 
Of Railway Companies' land for tree culture, 
30. 
Of seasoning timber, 32, 33. 
Of Tamarack ties for heavy traffic, 51. 
Of Thilmany Process for retaining antisep- 
tics in timber, 85. 
Of Wellhouso Process for retaining antisep. 
tics in timber. 86. 
Of White Cedar in roads of light traffic, 43. 
Of White Oak for track timber, 38. 
Of wind-breaks adjacent to railroad lines, 
29. 
Of Zinc-creosote Process for retaining anti- 
septics in timber, 87. 
Of Zinc-gypsum Process for retaining anti- 
septics in timber, 87. 
Wabash, St. Louis and Pacific Company, position 
of, in regard to expending money in timber 
cultivre, 30. 
Water, amount of, in air-dried wood, 66, 67. 
Beech, 67. 
Sweet Gum, 67. 
Sycamore, 67. 
White Elm, 67. 
White Oak, 67. 
White Pine, 67. 
Yellow Pine, 67. 
Yellow Poplar, 67. 
Webbs metal superstructure, 126. 
