RedactedNarrative: On 06/13/13 at approximately 1530, operator was operating Unit 1 on the Rock River approximately 1/2 mile downstream of the Lowden State Park boat ramp. Operator was traveling downstream at approximately 18-20 MPH when the lower unit of his vessel struck a submerged tree/log. The lower unit portion of I/O drive was broken and flipped up placing the propeller in an upright position. As the motor flipped up, the propeller hit the transom area of the vessel and lodged in the fiberglass.  Operator threw out two anchors and was able to be towed to the ramp by another boater. Operator tranported the boat to Stem to Stern Marine in Rochelle and reported the accident to the Region 1 Office the following day. 
  
  On 06/14/13, I CPO met with Operator at the location of the boat and completed the investigation for the accident report. There, Operator was given a BAR and instructed to complete and submit the report. During the investigation no violations were discovered and no citations or warnings were issued.
NameOfBodyOfWater: Rock River
NearestCityTown: Oregon