The aircraft ground looped during the landing roll at about 0800 Pacific time. Visual conditions prevailed. The aircraft was substantially damaged but the Private pilot, the sole occupant, was not injured. The pilot later reported that he was landing on Runway 17. During the landing roll, he failed to maintain directional control and the aircraft ground looped. The propeller as well as the left wing contacted the surface, damaging the wing tip and outboard section of the aileron. The pilot reported no mechanical failures or malfunctions with the aircraft at the time of the accident. The pilot reported that the weather was clear and the winds were calm.