Mammoth Mountain officials said the slide occurred during avalanche mitigation work following a significant Sierra Nevada ...

Mammoth Mountain officials said the slide occurred during avalanche mitigation work following a significant Sierra Nevada ...

Mammoth Mountain officials said the slide occurred ... and using ski cuts to stabilize slopes. They also check trails for safety, clear access routes, and ensure the entire mountain is ready ...

Ski patrollers from mountain resorts in California, Nevada, and Colorado are at Mammoth Mountain in the Eastern Sierra, helping to provide safety following an avalanche that caught two patrollers ...

(Photo by Erika I. Ritchie, OC Register/SCNG) Ski patrollers from mountain resorts in California, Nevada, and Colorado are at Mammoth Mountain in the Eastern Sierra, helping to provide safety ...

Ski patrollers from mountain resorts in California, Nevada, and Colorado are at Mammoth Mountain in the Eastern Sierras, helping to provide safety following an avalanche that caught two patrollers and ...