| 31. | In 1992, a record peak water level of was recorded in the river channel.
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| 32. | Choked by sewage and factory runoff, some river channels here have become virtual cesspools.
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| 33. | In Long Beach, the bike path runs on the east side of the river channel.
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| 34. | It extends up to 12m into the river channel.
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| 35. | It is unclear how long the river channel has been considered part of the reservation.
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| 36. | Combined with the steep narrow river channel, this makes the Spen susceptible to regular flooding.
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| 37. | The bridge is a truss bridge with a swing span crossing the main river channel.
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| 38. | The river channel is marked with large green buoys.
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| 39. | The lighthouse was decommissioned in 1939, following the last of improvements to the river channel.
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| 40. | The Dagusha Channel and the Haihe river channel are separate fairways with slightly different regulations.
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