Mourning the loss of Corvallis man who died in avalanche Family and Ravalli County community members mourn the loss of thirty-year-old Andy Jessop CAMILLA PETERSON and last updated 2021-02-22 11:24:31-05 MISSOULA â An avalanche Friday in central Idaho took the life of a Corvallis man. Family and Ravalli County community members mourn the loss of thirty-year-old Andy Jessop, a father to five, mechanic and owner of Innovative Auto Services, and member of the Ravalli County Police Reserves. Jessop was snowmobiling with a group of people in an area of central Idaho known as Smiley Creek in the Sawtooth National Forest when the avalanche occurred.