(PORT HURON TOWNSHIP) -- The St. Clair County Sheriff's Office is seeking the public's help in identifying a body found Tuesday morning behind the Goodwill store on 26th Street in Port Huron Township. Sheriff Tim Donnellon says the woman's body was found by a worker. Detectives viewing surveillance video from the store have been able to determine the woman had been there since at least March 3rd and was concealed by snow and blankets that covered her body. An autopsy determined that the woman is white, approximately 80-years old, about 5-feet tall and about 100-110 pounds. She had gray shoulder length hair, dark eyes, had a mastectomy and there were two surgical scars on her stomach. She was wearing an Indian print type skirt and blouse that was white, black and red in color. At this time, the cause and manner of her death is undetermined. Anyone with information on the woman's identity are asked to contact Detective Eric Stevens at 810-987-1726.