Circular, Numerot 101–150The Service, 1907 |
Kirjan sisältä
Tulokset 1 - 5 kokonaismäärästä 87
Sivu 7
... hardwoods , and only in rare instances is it found in pure stands . In the Florida hummocks the chief associates of cedar are live oak , hickory , magnolia , red gum , and palmetto . Among these , cedar once grew to large size , but ...
... hardwoods , and only in rare instances is it found in pure stands . In the Florida hummocks the chief associates of cedar are live oak , hickory , magnolia , red gum , and palmetto . Among these , cedar once grew to large size , but ...
Sivu 8
... hardwoods . The situation varied from coves and ravines to flat uplands . In all instances the soil was mod- erately deep . Open - grown trees include those which have grown more or less in the open , though distinguished from the ...
... hardwoods . The situation varied from coves and ravines to flat uplands . In all instances the soil was mod- erately deep . Open - grown trees include those which have grown more or less in the open , though distinguished from the ...
Sivu 11
... hardwood associates , but never under pure , fully stocked stands of the same species . Too much moisture will kill ... hardwoods , which causes their height growth to fall below normal . TABLE 6. - Height growth of seedlings . Height ...
... hardwood associates , but never under pure , fully stocked stands of the same species . Too much moisture will kill ... hardwoods , which causes their height growth to fall below normal . TABLE 6. - Height growth of seedlings . Height ...
Sivu 14
... hardwoods should be removed from the stand in order to give more growing space to young cedar . The most important change needed in present practice , however , is to stop cutting the better stands of second - growth cedar and allow ...
... hardwoods should be removed from the stand in order to give more growing space to young cedar . The most important change needed in present practice , however , is to stop cutting the better stands of second - growth cedar and allow ...
Sivu 15
... hardwoods , dense in places and scat- tered in others , the problem of management becomes somewhat complex . In all cases the less valuable hardwoods which grow with the cedar should be removed . This will give the cedar which remains ...
... hardwoods , dense in places and scat- tered in others , the problem of management becomes somewhat complex . In all cases the less valuable hardwoods which grow with the cedar should be removed . This will give the cedar which remains ...
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Muita painoksia - Näytä kaikki
Yleiset termit ja lausekkeet
air-dried amount Appalachian Assistant Forester average bark black locust Board feet Carolina cedar Chief Circular coal-tar Compression parallel crushing strength cubic feet cubic foot curve dead timber decay Douglas fir ending June 30 Europe exports flask forest products Forest Service fractional distillation gallons GIFFORD PINCHOT given in Table grades green timber growth hardwood heartwood inches in diameter increase index of refraction kiln-dried knots loblolly pine logs longleaf pine lumber manufacture Maximum method modulus Moisture per cent North Platte North Platte Valley Oceania oil-tar pitch pine planting poplar ports posts pounds per square quantity red oak red spruce reference number region resoaked Rings per inch sapwood sawed seasoning seed seedlings shipments soil South America specific gravity specimens sprouts square inch staves steam sticks sulphonation tank Tennessee tests timber tion treated trees turpentine Washington white oak willow wood yellow pine
Suositut otteet
Sivu 8 - QUANTITY. VALUE. a From annual report of the Bureau of Statistics of the Department of Commerce and Labor upon the commerce and navigation of the United States.
Sivu 20 - Sawed boards, plank, deals, and all forms of sawed cedar, lignum vita;, lancewood, ebony, box, granadilla, mahogany, rosewood, satinwood, and all other cabinet woods not further manufactured than sawed, fifteen per centum ad valorem; veneers of wood, and wood, unmanufactured, not specially provided for in this act, twenty per centum ad valorem.
Sivu 20 - Sawed boards, planks, deals, and other lumber of whitewood, sycamore, a«iJ basswood, one dollar per thousand feet board measure; sawed lumber, not specialty provided for in this act, two dollars per thousand feet board measure; but when lumber of any sort is planed or finished, in addition to the rates herein provided, there shall be levied and paid for each side so planed or finished fifty cents per thousand feet board measure...
Sivu 18 - ... well manufactured, full to size and saw butted, and shall be free from the following defects: Unsound, loose, and hollow knots, wormholes and knot holes, through shakes or round shakes that show on the surface; and shall be square edge, unless otherwise specified. A through shake...
Sivu 20 - Virginiana) timber, hewn, sided, squared, or round; sticks of partridge, hair wood, pimento, orange, myrtle, bamboo, rattan, reeds unmanufactured, india malacca joints, and other woods not specially provided for in this section, in the rough, or not further advanced than cut...
Sivu 22 - OTHER PUBLICATIONS OF THE FOREST SERVICE WHICH DEAL WITH WOOD PRESERVATION. Bulletin 10. Timber: An Elementary Discussion of the Characteristics and Properties of Wood. (Securable only by purchase from the Superintendent of Documents, Government Printing Office, Washington, DC Price, 10 cents.) Bulletin 41. Seasoning of Timber. Bulletin 50. Cross-Tie Forms and Rail Fastenings, with Special Reference to Treated Timbers.
Sivu 5 - Tables 16, 17, 18, and 19, are taken from the report of the Bureau of Statistics of the Department of Commerce and Labor upon "The Foreign Commerce and Navigation of the United States for the year ending June 30, 1907.
Sivu 20 - Timber, hewn, sided or squared otherwise than by sawing (not less than eight inches square) and round timber used for spars or in building wharves, one-half of one cent per cubic foot.
Sivu 29 - August 18, 1894, and March 3, 1899. is to obtain, by dredging, a channel not less than 5 feet deep and 150 feet wide, and to protect Livingston Point and Tennessee Island from erosion with a view to preserving the port of Paducah, Ky.
Sivu 3 - ... to institutions and associations. There is a, little over three-fifths of an acre of forest for each citizen, and though 53 cubic feet of wood to the acre is produced in a year, wood imports have increasingly exceeded wood exports for over forty years, and 300,000,000 cubic feet, valued at $80,000,000, or over one-sixth of the home consumption is now imported each year. Germany's drains on foreign countries are in the following order: Austria-Hungary, 19,750,000 tons; Russia and Finland, 18,000,000...