Mount St. Helens: 30 Years of Change
- יאָר: 2011
- לאַנד: United States of America
- זשאַנראַז: Documentary
- סטודיאָ: Compel Media
- קיווערד: volcano, volcanic eruption, washington state, nature documentary, mount st helens
- דירעקטאר: Kyle Justice
- געשטאַלט: Mark Hendricks, Bill Lehning, Mark Nelson, John Bishop, Peter Frenzen, Dick Ford