BOZEMAN, Mont. (AP) — A 66-year-old Minnesota man died while snowmobiling west of West Yellowstone in Montana.

Gallatin County officials say Daniel Conniff of Brownsville, Minn., died at about 3:15 p.m. Tuesday despite the efforts of friends and family members to resuscitate him.

Undersheriff Dan Springer said the death appeared to be from natural causes.

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