SPRINGFIELD, New Hampshire — Safety officials are investigating the circumstances involving a 51-year-old man who was found deceased after he had been pinned under a dump bed in the early morning hours last Friday at a lumber mill in Springfield. The man, whose identity has not been released, was an employee of Durgin and Crowell Lumber. Emergency responders were dispatched to the business at 3:14 a.m. on Friday for a report of a “CPR in progress” at the mill’s facility on Fisher Corner Road. …A state police spokesman determined “there was no criminal aspect” and the incident “appears to be an industrial accident. …OSHA officials have visited Durgin and Crowell and opened an inspection to determine if the incident involved any violations of workplace safety standards, a Department of Labor spokesman in Boston said. Durbin and Crowell Lumber, an eastern White Pine sawmill, was founded in 1976.