Authorities in Bradford County, Pennsylvania are investigating the death of a 73-year-old woman whose body was found in a field January 7.

The Bradford County Coroner’s Office says the body of Isabel Johnson was found on property owned by Johnson Farms in Athens.

The Page Manor resident had reportedly left her home on foot January 5 for an unknown destination.

Authorities said the woman had suffered from Alzheimer’s disease and dementia.

An autopsy is to be performed at Our Lady of Lourdes Ascension Hospital in Binghamton to establish the cause of death.

Authorities say, at this time, the death does not appear to be suspicious.