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Jurrasic Bark: Underwater Logging in Lake Superior - Nature and ...The furniture is assembled with old-fashioned woodworking techniques, such as pegs in place of nails, and pinned mortise and tenon joinery. Craftsmen who use the wood first had to rediscover and learn these largely antiquated methods. "We had to teach ourselves," says Gregory M. Leick, chief executive officer of Leick Furniture, based in Sheboygan, Wisconsin, which makes furniture from the logs. "Because this wood is so special, it deserved the best treatment we could muster.".

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Underwater Cultural Heritage - Department of Marine Sciences ...underwater Cultural Heritage. Shipwrecks. Submerged shipwrecks are a unique part of our cultural heritage. Together with other wooden archaeological remains, they are incorporated in the marine carbon cycle where wood material are totally decomposed by biological, physical and biochemical processes. Generally, wood are fast degraded by a large group of marine borers in saline waters. But in other environments such as in brackish water, fresh water and sediment, the ...

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Timber industry turns to underwater crop | Grist19 Aug 2005 ... Loggers are not permitted to use petroleum-based oil for any equipment other than boat motors (the Sawfish, which is electric, uses vegetable oil in place of hydraulic fluid). At Nechako, Gerow says, research indicates there has been no harm to water quality or fish habitat. UBC's Kozak says the greatest potential downside to underwater logging is facing customers' concerns about how the wood is harvested. As in traditional logging, such worries can be assuaged by ...

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Autonomous Underwater Gliders | InTechOpenAutonomous underwater Gliders | InTechOpen, Published on: . Authors: wood and Stephen.

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Which timber underwater? - Yachting and Boating World8 Feb 2011 ... Which wood would you suggest. . ..oak ?. . .elm ? I would do ... Elm was used for underwater components for decades & is quite hard wearing & durable provided it remains immersed. ... Which timber underwater. BRILLIANT John ! and what a great reply in 10 minutes. . .love this website ! I planned to fix them with demountable mastic and silicon bronze screws. I also thought to put them on in scarfed sections so I could replace in the event of over wear or damage.

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Underwater Logging - Canadian Woodworking Magazineunderwater logging in Quebec's Lake Memphremagog. ... The wood is used for flooring, musical instruments, wall and ceiling paneling and yacht interiors. Musical instruments made from this wood have superior sound. In addition to being very special when used in modern projects, old growth lumber is used to repair antique furniture, and in the restoration of old buildings, such as churches and cathedrals, because it more readily matches the grain of woods used long ago.

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Pressure Treated Wood Uses, Limitations and Safety ConsiderationsPressure-treated wood is truly a "wood for all seasons"... a rugged exterior building product that's rot and insect resistant. If Noah's ark was made from this stuff, it would still be cruising the Mediterranean! Treated wood is used for decks, mailbox and light posts, swing sets and playscapes, picnic tables, landscape ties, underwater dock pilings, oceanside boardwalks, telephone utility poles and, believe it or not, residential building foundations in some parts of the country! You can ...

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Sunken Treasure: Benefits of Underwater Timber #forest22 Dec 2014 ... underwater wood created from sinker logs have attractive color variation, durability, and perceived sustainable benefits. Learn how it's found and used.

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Buying Submerged Lumber - Popular Woodworking Magazine6 Feb 2007 ... They had discovered logs of red oak, yellow birch, white pine and maple that were lost between the mid-1800s and the early 1900s while the wood was en route to lumber mills. It turns out, the quality of this waterlogged wood was actually enhanced during its long stay underwater because much of the resin had leached out. ... Joseph Nagyvary, a professor of biochemistry at Texas A & M in College Station, builds violins, violas and cellos using reclaimed timber.

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Hunt for sunken treasure: Harvesting Tasmania's forests submerged ...19 Nov 2015 ... Related Story: Timber harvested from underwater expected to fetch premium price · Map: TAS. The magnificent forests ... study and they funded us. "We went out and proved the wood was sound, that there was technology out there to extract the timber safely, the rest is history." ... "The theory or the story behind the trees that are coming out of here is exciting ... it's making use of a resource that otherwise ... would just go to waste," Mr Crook said. The company behind the ...

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Choosing Wood for Marine Applications · Ross Laird, PhD16 Aug 2007 ... The color and texture of grain, the particular warmth of wood in the sun, the way a teak gunwale is shaped precisely to meet the grasping hand: these qualities of wood embody the romance of the sea. But unlike our nautical forebears, who were intimately acquainted with the properties of spruce and cedar and teak and jarrah, many mariners of today are not familiar with the proper means of selecting woods for marine use. In this two-part series, we'll explore a ...

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Underwater logging - Wikipediaunderwater logging is the process of logging trees from underwater forests. When artificial reservoirs and dams are built, large areas of forest are often inundated; although the trees die, the wood is often preserved. The trees can then be felled using special underwater machinery and floated up to the surface. One such machine is the sawfish harvester. There is an ongoing debate to determine whether or not underwater logging is a sustainable practice and if it is more ...

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Underwater Logging: Submarine Rediscovers Lost Wood - NCBI - NIHAnd although sugars have leached from the Lake Superior logs, this effectively seasons the wood, making it highly desirable for use in musical instruments. It's hard to pinpoint how many trees are available for underwater logging. Some underwater logs were sunk or otherwise lost during log drives on rivers, but the majority came from forests submerged during the building of dams. The number of large damsthose more than 15 meters highhas increased nearly sevenfold since ...

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Why This 8,000 Year-Old Piece Of Wood Is Blowing Archaeologists ...2 Jun 2016 ... At Bouldnor Cliff, Garry Momber and his team of underwater archaeologists from the Maritime Archaeology Trust have found something up to twice that age, built using a woodworking technique that hasn't otherwise been seen in Britain for another 2,500 years. Garry's first clue to the discovery came in 2005 when he was inspecting a ridge at the bottom of a 7m high underwater cliff, when he spotted something that made him do an underwater double-take. The current ...

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type of wood for posts underwater | Property Projects ...#284157 - 03/15/12 02:08 AM type of wood for posts underwater. Tree Farmer Offline Registered: 01/12/12. Posts: 84. Loc: Virginia. Lake is built and will begin filling soon. Now time to begin construction of a dock. What type of posts would you recommend I use below the waterline? Any special treatment, etc? Thanks! Top ...

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Timber industry eyes logs under water - US news - Environment ...13 Sep 2005 ... Loggers are not permitted to use petroleum-based oil for any equipment other than boat motors (the Sawfish, which is electric, uses vegetable oil in place of hydraulic fluid). At Nechako, Gerow says, research indicates there has been no harm to water quality or fish habitat. UBC's Kozak says the greatest potential downside to underwater logging is facing customers' concerns about how the wood is harvested. As in traditional logging, such worries can be assuaged by ...

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