RedactedNarrative: On 7/26/19 I, Game warden investigated a single vessel accident with one injury. At approximately 1226 hours vessel was towing a wakeboarder in the area of Swallow Cove at Lake Mead National Recreation Area. The vessel was heading southeast in a straight line when the wake boarder caught the front edge of the wakeboard causing the wakeboarder to fall forward. The front face inpact with the water caused the wakeboard to strike the wakeboarder in the back of the head. The wake boarder was rushed to Callville Bay where she was treated by NPS Rangers for a large laceration to the back left side of the head. The victim was air lifted to UMC for further treatment.