RedactedNarrative: Vessel 1 was traveling upstream on the red river approx 3.5 miles west, northwest, of the i-35 bridge. Vessel was approx 25-30 feet north of the bank when it struck a cable that anchoring a sand dredge to a bulldozer located on the south river bank. The cable was strung at the water level and was attached to a dredge near the northeast shore.  The vessel struck the cable before the operator could stop ejecting the operator and striking the passenger.  Point of impact was approx 3.5 miles nw of the i-35 river bridge and approx 30 feet ne of the river bank.