Officials say 22-year-old Austin King was last heard from on Tuesday, Sept. 17 when he called his friends and family from the summit of Eagle Peak in Wyoming.

A search and rescue effort is underway in Yellowstone National Park after a park concession employee went missing last week on a seven-day backcountry trip.Austin King, a 22-year-old park worker from Wyoming,

A 22-year-old Yellowstone concession worker, Austin King, was reported missing last week after he didn't return from his hike in the park.King planned to complete a 7-day backpacking trip to Eagle Peak,

Austin King, a 22-year-old concession worker, has been missing since Sept. 17, after he didn’t show up to his boat pickup following a 7-day backpacking trip to summit Eagle Peak, the Yellowstone National Park stated in a news release on Facebook.

The search is on for Austin King, a 22-year-old concession worker at Yellowstone, who reached the top of the park's highest peak last Tuesday and

Park rangers are searching Yellowstone National Park for a 22-year-old concession worker last heard from nearly a week ago.

Yellowstone National Park is asking the public for help in locating 22-year-old Austin King, who was last heard from in the park on Tuesday, Sept. 17.

Rescuers in Yellowstone National Park searched the area of Eagle Peak on Sunday in an effort to find a park concession worker who failed to check in at the end of a personal trip, authorities said.