. Wood and forest . Leaf. Habitat: (See map);liest in Eocky Mountains. Characteristics of theTree: Height, 100 to300; diameter, 6 to even12; branches, low, shorttrunk; bark, thick, darkbrown, deep, meanderingfurrows, large, irregularplates, scaly; leaves, intwos or threes, 5 to 11long, cones to 6 long. Appearance of Wood: Color, light red, sap-wood,thick, nearly white, andvery distinct; non-porous ;rings, conspicuous; grain,straight; rays, numerous,obscure; very resinous butducts small. Physical Qualities: Weight, light (14th inthis list), 25-30 lbs. percu. ft., sp. gr. ;strength, medium

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. Wood and forest . Leaf. Habitat: (See map);liest in Eocky Mountains. Characteristics of theTree: Height, 100 to300; diameter, 6 to even12; branches, low, shorttrunk; bark, thick, darkbrown, deep, meanderingfurrows, large, irregularplates, scaly; leaves, intwos or threes, 5 to 11long, cones to 6 long. Appearance of Wood: Color, light red, sap-wood,thick, nearly white, andvery distinct; non-porous ;rings, conspicuous; grain,straight; rays, numerous,obscure; very resinous butducts small. Physical Qualities: Weight, light (14th inthis list), 25-30 lbs. percu. ft., sp. gr. ;strength, medium (45th SPECIES OF WOODS. in this list) ; elasticit), medium (41st inthis list) ; hardness, medium (42nfl inthis list) ; shrinkage, 4 per cent.; warps ; not durable; hard to work, brittle; splits easily in nailing. Common Uses: Lumber, railway ties,mine timbers. Remarks: Forms extensive open for- m V ,...... ^ Radial Section,life size.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectforests, bookyear1912