MOOSE, Wyo. – Searchers have found a hiking boot that belongs to an Ohio girl missing in Grand Teton National Park.

Park officials say 16-year-old Fauna Jackson's boot was found Friday, but they do not believe the girl was wearing it when she disappeared Thursday moing. More than 115 people looked for the teen Friday, and Saturday's search will include ATV patrols and help from the Wyoming Civil Air Patrol.

Jackson, from Cinciati, is part of a youth volunteer conservation corps called Groundwork USA. She was in Grand Teton this week helping to reroute a trail in the Triangle X Ranch area.

Co-workers say she took a break while working on the trail and hasn't been seen since.

Searchers are using dogs and helicopters to look for her in the area of the Triangle X Ranch in Jackson Hole.

Robin Corathers with Groundwork Cinciati said Friday the group is very conceed about Jackson. The teen took part in an eight-week youth employment program with the organization this summer.

She was one of three Cinciati youths chosen to participate in a nine-day program in Grand Teton involving other youth from around the country.