An avalanche in Montana killed a North Dakota man and buried two others who had been snowmobiling in the area.
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The Park County Sheriff's Office said a 33-year-old male from Bismarck died when the avalanche in the Sheep Mountain area was triggered Saturday afternoon.
The man has not been identified by authorities.
He was one of five people in the snowmobiling party, all from North Dakota. The sheriff's office described them as "experienced riders," and said each one had avalanche beacons, probes, shovels, and backpacks with inflatable airbags.
The avalanche, which struck at about 1 p.m., buried three of them – one rider managed to rescue themselves, then went with the other two unharmed riders to find the buried duo. They dug those two out, the sheriff's office said.
They administered CPR to the 33-year-old, and a response team used a defibrillator but with no response, according to the sheriff's office.
Earlier that day, the sheriff's office had issued an avalanche warning, saying "continuous snowfall and strong winds have added weight to a weak and unstable snowpack." They also reminded people to be cautious, bring the proper equipment, and tell others where's you're heading – but did not say to refrain from going out.