Finding in tractor death

County Coroner Peter Martin in an official finding issued Friday said Robert J. Clausen, 73, Spring Valley, died from positional asphyxia due to head, neck and chest injuries in a tractor rollover accident. Mr. Clausen was spraying weeds along a creek south of the Waterman Road, east of Rosalia, when the tractor he was operating rolled into a creek. He was found late June 24. The manner of death was determined to be accidental.