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Acting Filmography
Title | Character | Year |
---|
How the Earth Was Made | Self - Geologist, U.S. Geological Survey | 2009 |
Seconds from Disaster | Himself - USGS | 2004 |
Acting Filmography
Title | Character | Year |
---|
How the Earth Was Made | Self - Geologist, U.S. Geological Survey | 2009 |
Seconds from Disaster | Himself - USGS | 2004 |