Cast & crew
Mt. Lassen Volcano (1917)
Directed by J. J. Hammer
Crew
| J. J. Hammer | Camera Operator |
| Joda E. Hammer | Camera Operator |
| J. J. Hammer | Director |
| Joda E. Hammer | Camera Operator |
| J. J. Hammer | Camera Operator |
| J. J. Hammer | Director |
Mt. Lassen Volcano (1917)
Directed by J. J. Hammer
| J. J. Hammer | Camera Operator |
| Joda E. Hammer | Camera Operator |
| J. J. Hammer | Director |
| Joda E. Hammer | Camera Operator |
| J. J. Hammer | Camera Operator |
| J. J. Hammer | Director |