Had training standards slipped, pushing relatively inexperienced ski patrollers into dangerous situations? Are young ski patrollers afraid to speak up, even when they think they’ve been asked to take unreasonable risks? Chair 22 takes skiers to the top of Lincoln Mountain at Mammoth, where two ski patrollers have been killed by avalanches in the last year. Then there’s the old-fashioned technique: sending ski patrollers into the steepest, most technical terrain with backpacks full of explosives. A view of the Avalanche Chutes at Mammoth, where two ski patrollers have died in the last year.