I found a bunch of old Lake Placid News (LPN), Adirondack Daily Express (ADE), Plattsburgh Press-Rebulican (PPR) articles archived as black and white PDF scans that mention Lizzy, some with photos of her:
Here's a rundown of the rest of the references:
Involvement in Sports
Skiing. "Lately, the students of St. Agnes School have accomplished a lot out of school. Many SAS students particpated recently in some exciting ski races: NYSEF World Cup race for JV (ages 7-10). Placings