Law enforcement at Yellowstone National Park is investigating the death a woman who worked there.
Park officials say 21-year-old Kassandra "Kassie" Wieferich was found dead Tuesday night in the Old Faithful Lodge area.
Officials started searching for Wieferich, a park concession employee from Twin Bridges, Montana, on Tuesday after she missed shifts at work and failed to meet a family member on Monday afternoon.
The Park Service didn't announce the discovery of her body until Wednesday to allow notification of her family.
National Park Service park rangers and special agents are investigating her death.