Colter's Hell (1973)
In winter at Yellowstone National Park, the boiling water of the geysers meets 40-below-zero to create a seam of frozen ice crystals.
Director: Robin Lehman
| Sound | Michel Fano | Original Music Composer |
| Editing | Jacqueline Lecompte | Editor |
| Production | Robin Lehman | Producer |
| Directing | Robin Lehman | Director |
| Camera | Ed George | Camera Production Assistant |
| Camera | Jeff Nathan | Camera Production Assistant |
| Crew | Robin Lehman | Cinematography |