Mount St. Helens: 30 Years of Change
- Afọ: 2011
- Mba: United States of America
- Dị: Documentary
- .Lọ nka: Compel Media
- Isiokwu: volcano, volcanic eruption, washington state, nature documentary, mount st helens
- Onyeisi: Kyle Justice
- Nkedo: Mark Hendricks, Bill Lehning, Mark Nelson, John Bishop, Peter Frenzen, Dick Ford