Our country and its resources; . NATURAL OF NORTH AMERICA 82 IK COUNTRY AND ITS RESOURCES < ROSSTIKS II K< II VSKD, RY CLASSES OF RAILROADS PURCHASING, AND KINDS OF WOOD ] 9 10 Wood All ak Southern pineI louglas fir. .Chestnul < !edar Cypress TamarackWestern pineHemlock ....Redwood Gum All other. . Total 1 18,231,000 68,382,000 26,264,000 11,629,000 7,760,000 7,305,000 5,396,000 5,163,000 4,612,000 3,468,000 2,165.(10(1 ,000 4, Purchased by steamrailroads 13965 596,000095,000 (12 HI.(It Ml6:57,00(1 187,000960,000 50
Our country and its resources; . NATURAL OF NORTH AMERICA 82 IK COUNTRY AND ITS RESOURCES < ROSSTIKS II K< II VSKD, RY CLASSES OF RAILROADS PURCHASING, AND KINDS OF WOOD ] 9 10 Wood All ak Southern pineI louglas fir. .Chestnul < !edar Cypress TamarackWestern pineHemlock ....Redwood Gum All other. . Total 1 18,231,000 68,382,000 26,264,000 11,629,000 7,760,000 7,305,000 5,396,000 5,163,000 4,612,000 3,468,000 2,165.(10(1 ,000 4, Purchased by steamrailroads 13965 596,000095,000 (12 HI.(It Ml6:57,00(1 187,000960,000 501,000 392,000 Purchasedby electricrailroads 635,000287,000168,000710,000 54 ,, 26.(10(1 664,000 74, i. 25 30 35 40 AS 50 55 60 65 KINDS OF WOODS USED FOR RAILROAD CROSSTIES purchase and use of polos. In 1011,the most recent year for which polostatistics have been gathered, 3,418,-020 polos were bought by companiesneeding them for immediate this quantity cedar poles werethe most popular accounting for overtwo million, with chestnut, oak, cypress following in the ordernamed. Poles under twenty feetlong were boughl to the number f104,728 (largely for rural telegraph and telephone lines) : poles between twenty and thirty feet, the mostpopular accounted for 1,861,816of the total: bet ween thirty andforty feet, 862,219; between fortyand fifty feet, 217,000, and over fifty feel. 72,257. wood PRESERVATION The art of preserving wood hasadvanced rapidly in recent yearsand the long threatened wood famine FORESTS AND FORESTRY 83 and tlio consequent higher priceshave led many large users of woodexposed to weather and decay, not-ably railroads and telegraph andtelepho
Size: 1485px × 1683px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1917
