Mount St. Helens: 30 Years of Change
- Jaro: 2011
- Lando: United States of America
- Ĝenro: Documentary
- Studio: Compel Media
- Ŝlosilvorto: volcano, volcanic eruption, washington state, nature documentary, mount st helens
- Direktoro: Kyle Justice
- Rolantaro: Mark Hendricks, Bill Lehning, Mark Nelson, John Bishop, Peter Frenzen, Dick Ford
