A man's leg was partially amputated in an incident with tree removal equipment Saturday. At 1:54 p.m., the Crystal Lake Fire Rescue Department responded to the 6900 block of New Hampshire Trail in Nunda Township, where someone reported that a man had suffered a traumatic injury, Battalion Chief Chris Kopera said. McHenry County Sheriff's Deputy Sandra Rogers said one person had been using a stump grinder while another was holding a tension rope as a tree was cut down.