Mount St. Helens: 30 Years of Change2011 · 41 min · DocumentaireDe Kyle JusticeMon avisSe connecter pour noter ce filmDistributionMMark HendricksHostBBill LehningIntervieweeMMark NelsonIntervieweeJJohn BishopIntervieweePPeter FrenzenIntervieweeDDick FordIntervieweeMMike NicholsInterviewee