| 31. | Yellow means that the lock chamber is being emptied or filled to match the level of the approaching vessel.
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| 32. | There is one lock chamber on the left descending bank of the river at the dam, wide and long.
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| 33. | Interestingly, an equal savings of water, based on the same principle, could be reached by adding more lock chambers.
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| 34. | On September 15, 1900, the lock chamber was closed, and the river began to back up behind the dam.
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| 35. | About 15 percent of the lock chambers are long, 60 percent are long, and 25 percent are less than long.
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| 36. | These facilities include a canal lock museum and three canal lock chambers with a total elevation difference of 10 meters.
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| 37. | Pumping ballast water in and out of the caisson is enough to float it up or down the lock chamber.
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| 38. | After dredging and infilling behind lock chambers during the winter of 2006-7, the link was re-opened on 6 April 2007.
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| 39. | Each lock chamber measured long and wide, and the canal was originally operated manually before it switched to electrical power.
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| 40. | The project produced 51 wooden wicket dams and 600 foot by 110 foot lock chambers along the length of the river.
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