Operator of vessel #1 was traveling on Lake Gogebic near the State Park boat launch jumping waves and racing, when he landed wrong in the water.  Operator was thrown from the Jet Ski and struck his right knee on the machine injuring it.  Friends were able to pull him from the water on to their boat and brought him to the boat launch.  He was wearing a life jacket.  Beacon Ambulance transported Dobb to Grandview Hospital.
Marenisco Twp                 