Neal PETERSON, a minor, By and Through his parent and natural guardian, Wanda PETERSON, et al., Appellants, v. David DONAHUE, Respondent. No. A06-1824.Minnesota Court of Appeals. June 26, 2007. Appeal from the District Court, Washington County. SYLLABUS Generally, the doctrine of primary assumption of the risk operates to preclude claims of skiers injured by colliding […]