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Dragline formerly used for surface mining oil sands. Syncrude had 4 in operation. Last one retiring at the end of 2005. These draglines would mine the oil sands and deposit them in what they call windrows. A bucketwheel, shown next, would then scoop up the windrows, passing the material by conveyor to crushers. It would then be slurried and sent to the refinery by pipeline for processing. Each used the energy equivilant per day of 30,000 homes to operate. Two of these bad boys have been disassembled and sent to Australia for coal mining operations there.

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Thanks for taking the time to explain the process, it is intresting now that they are drilling for gas/oil here.

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