ABC 10/CW5 A Sterling Heights man was injured as a result of a single–vehicle snowmobile crash this afternoon. Seventy–eight–year old Michael Sampson was northbound on the DNR snowmobile trail in Marquette Township when he pushed the throttle instead of the brake while negotiating a curve. According to a Marquette County Sheriff’s Office release, Sampson veered away from the trail and was ejected from his snowmobile. Responders transported him off the trail to u.p. health systems marquette with a pelvic injury. Marquette Township Fire and EMS and U.P. Health Systems EMS assisted at the scene.