RedactedNarrative: The accident occurred in between 5:00 and 5:30 PM on July 4 on the NW corner of Nelson Lake. Operator1, who has not taken any boat and water safety courses, was driving a jet ski along side Operator2 (17) on the other jet ski. Operator1 turned left towards Operator2 and was hit by Operator2's jet ski. Operator1 and passenger were both injured. Operator1 broke his leg and v1 occupant had a hairline fracture on his lower left arm. Operator2 and his occupant were not injured. Operator1 and v1 occupant were transferred to Stanford in Bismarck for medical attention.