A Gorham man is under investigation for allegedly growing marijuana after authorities were called to his residence after a tractor severed his arm, police said. Raymond Gedaminski, 52, was mowing his property in Gorham, which is about 20 miles west of Carbondale, at about noon Thursday when he was thrown from his tractor. His left arm got caught in a rotary motor and was severed, Sgt. Michael O'Leary of the Jackson County Sheriff's Department said. He then picked up his arm and walked back to his house about 100 yards away to call paramedics. [continues 106 words]