| 41. | Upriver of Na Noi town is the Nam Haeng Reservoir.
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| 42. | Chillisquaque Creek joins the West Branch Susquehanna River upriver of its mouth.
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| 43. | The Singers follow the naga upriver, and eventually arrange a meeting.
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| 44. | Ned and Joe assist his search by swimming upriver to meet him.
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| 45. | Willard gathers his men to the PBR and journeys upriver.
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| 46. | Willard and Lance enter seeking information for what is upriver.
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| 47. | On 11 February the five-day voyage upriver began.
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| 48. | Heading upriver, the trail goes by Cecil Moses Park.
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| 49. | What reserves Nureddin did have, he would retain five miles upriver.
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| 50. | Further upriver, they meet scientist Marc van Roosmalen and his team.
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