Woman Who Lost Leg in Collision with Snowcat at Mammoth Mountain, CA to Appeal Dismissed Lawsuit A woman who suffered catastrophic injuries in a snowboarding accident at Mammoth Mountain, CA plans to appeal to the California Supreme Court after she had her lawsuit against the ski resort dismissed due to the liability waiver she signed. Kathleen Willhide-Michiulis, 51 claims she has struggled to recover from the trauma of the incident seven years ago when she was […] Industry News SnowBrains | August 23, 2018 4 Comments