| 41. | Shuiguanmen was located near Zhengyangmen's eastern sluice gate.
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| 42. | After passing the Soup Bowl, the Little Sluice awaits.
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| 43. | The water level was controlled by sluice in the dam.
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| 44. | Grundy's plans for Sturton Sluice show a waterway.
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| 45. | It was forbidden to obstruct the race or the sluice.
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| 46. | Miners working a sluice on Lucky Gulch, Blue Ribbon Mine, Alaska
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| 47. | Many claims were consolidated, and worked by ground sluicing.
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| 48. | They can be closed by steel sluice-gates high.
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| 49. | There are traces of a weir sluice and mill race.
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| 50. | Sluice gates are used to control the water flow to the fields.
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