Deciding. . .
| Geyser: | Steamboat |
| Date/Time: | 1964-09-30 @ 0600 |
| Entrant: | research-mab |
| Observer: | 1964 log |
| Time Entered: | 2017-09-18 18:54:12 |
| Time Uploaded: | 2017-10-02 14:45:06 |
| Submitted to: | |
| Note: | 09/30/1964 Steamboat – 15 hours after the major eruption, is billowing steam with little pulsing. |