Blake Kieckhafer, 23, of Nebraska was believed to be found dead following a recovery effort, the National Park Service said.

Authorities ended their search for Blake Kieckhafer, who disappeared at Rocky Mountain National Park, after finding a body believed to be the 23-year-old. He was last seen on Aug. 7.

Rocky Mountain Park Rangers are searching for a 23-year-old Nebraska man who went missing in the Colorado park after he was dropped off there by a ride share service last week, the National Park Service (NPS) said. Blake Kieckhafer was reported missing to park rangers on Monday, according to NPS.