Authorities say she was pinned by her vehicle.
The 12-year-old girl suffered a head injury.
Both victims are said to have life-threatening injuries.
The crash happened on July 30 in Chisago County.
It's believed dusty road conditions contributed to the crash.
The victim has not been identified yet.
A cause of death is pending autopsy.
A 61-year-old man has died after spinning into a ditch on his ATV, sending him into swampy water.
The crash happened on the northern side of Lake Vermillion.
Carter Nicolai died after a rollover crash.
He was airlifted to Minneapolis Children’s Hospital.
The teen's injuries are fortunately not life threatening.
The 35-year-old's current condition is not known.