FRISCO, Colo. (AP) — Authorities say a 15-year-old girl from Wellesley, Mass., has died while skiing in Colorado.

Summit County Deputy Coroner Maggie Cox says Hannah Randolph collided with a tree while skiing an expert run at Copper Mountain Resort on Sunday. Cox says the girl was wearing a helmet.

Cox says ski patrol members tried to resuscitate Randolph before she was taken to a clinic, where she was pronounced dead.

Copyright 2012 The Associated Press.