An accident this (Monday) morning north of Lake Icaria in Adams County, has claimed the life of a Greenfield man. The Iowa State Patrol says 67-year old Richard Norvel Cooper was not wearing a seat belt when the 2006 Volvo straight truck he was driving for Schildberg Construction in Greenfield crossed the center line of Highway 148 southbound, entered the northbound shoulder and traveled into a ditch before hitting an embankment. The truck came to rest three miles north of Highway 148 and 150th Street on the east side of Highway 148, at around 10:45-a.m. The accident remains under investigation.