UPDATE: The woman has been identified as 73-year-old Janice Guernsey of Hortonville.
The Outagamie County Coroner says she died as a result of the injuries she sustained in the crash.
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The Outagamie County Sheriff's Office is investigating what caused a woman's death after a one-vehicle crash in Greenville.
The crash happened around 8:30 a.m. Thursday at W8369 Spring Road.
A 73-year-old woman from Hortonville left the roadway and struck a tree and the corner of a vacant farm house, according to deputies.
The woman was taken to a local hospital, but later died.
Right now, investigators are trying to determine if the woman died from the crash or due to a medical condition, the sheriff's office said.
The Outagamie County Coroner's Office has ordered an autopsy.