 UF_507762 Songkhram River at bridge W of Ban Na Si Nuan on Rt. 2281. TH16-30. 17.729, 103.411
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 UF_507769 Un River at Rt. 222 bridge [error - Pla Hang at Rt 222 bridge] TH16-31. 17.443, 103.728
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 UF_507642 Songkhram River at confluence with Yam River. TH15-12. 17.70906, 104.07671
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