NORTHLAND TOWNSHIP, MN (KDAL) - The St. Louis County Sheriff's Department is investigating an ATV crash in Northland Township Wednesday afternoon. Two juvenile females were in the side by side ATV when the driver lost control and the machine flipped over in the 6900 block of Harris Road. Both occupants were thrown from the ATV. One was airlifted to St. Mary's Hospital in Duluth in critical condition and the other was taken to St. Lukes with non-life threatening injuries. The Sheriff's office has reported that the driver of the ATV, identified as 15 year old Tyleen Weber of Canyon, Minnesota died of her injuries. The passenger, 16 year old Emma Dunsmore of Culver, Minnesota was released from the hospital after treatment for minor injuries.