Hank Heasler
Herec
Filmografie
| 2012 | Winter and Christmas in America's National Parks · as Geologist |
| 2009 | How the Earth Was Made · as Geologist, Yellowstone National Park |
| 2006 | Yellowstone: America's First National Park · as Park Geologist At Yellowstone National Park |
| 2004 | Scenic National Parks: The Best of the National Parks · as Geologist At Yellowstone National Park |
| 1993 | NZZ Format · as Geologist, Yellowstone National Park |
| 2013 | North America · as Self - Geologist: Yellowstone Np |
| 2007 | Secret Yellowstone · as Self - Yellowstone Park Geologist |
| 2005 | Supervolcano: The Truth About Yellowstone · as Self - Co-Ordinating Scientist, Yellowstone National Park |