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Show Most Lasting Wood, Practically all of the lock gates of the Brldgewater canal are made of greenheart. For the last 60 years all the dock gates In the Mersey harbor at Liverpool have been made of this wood, and when it has been found necessary nec-essary to remove any of these gates to widen or deepen the channel the wood has been found to be as good as when it was first used. In thu Canada dock wood put down in ISCvS was again used in the construction of new gates after 38 years' use. |