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Innovations
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Underwater Logging: Submarine Rediscovers Lost Wood David J. Tenenbaum Abstract
One Canadian company has gone to a surprising location to search for more sustainable wood supplies--under the water. Over the years, a great amount of timber has been submerged during log drives and the construction of hydroelectric dams around the world, and this wood, though wet, is often as good as new. Conventional means of raising submerged wood can be expensive, dangerous, or harmful to the lake ecosystem. Now Triton Logging has developed the Sawfish, a remote-controlled, chain saw-equipped submarine that can hover in the water and harvest the wood without disturbing the lake floor.
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