A group of Colorado skiers and snowboarders set off this week to conquer all of the California ski resorts - and raising money for disabled athletes along the way.Dubbed Across the Atlas, the eight-person team has embarked on an expedition to ski all 28 resorts in the Golden State, top to bottom, in less than four days.Team Atlas members started their quest at Mt. Shasta, and won't rest until they reach the bottom of Sierra at Tahoe tentatively around 10:30 a.m. on Jan. 5.The skiers, snowboarders, telemarkers and one snow-biker plan to ski Lake Tahoe-area resorts beginning at 5 a.m. …