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Beaucoup CreekBonpas CreekFox River (Little Wabash tributary)Henderson Creek (Illinois)Little Vermilion River (Illinois River)Little Vermilion River (Wabash River)Macoupin CreekMazon RiverSalt Creek (Little Wabash River tributary)Salt Creek (Sangamon River tributary)Sinsinawa RiverSomonauk CreekVermilion River (Illinois River)Watersheds of IllinoisWood River (Illinois)