Performing. . .
| Geyser: | Steamboat |
| Date/Time: | 1990-06-04 @ 2000 |
| Entrant: | research-mab |
| Observer: | 1990 Norris log |
| Time Entered: | 2023-11-19 22:22:46 |
| Time Updated: | 2023-11-19 22:27:44 |
| Time Uploaded: | 2023-11-19 22:27:50 |
| Submitted to: | Geysertimes.org |
| Note: | 6/4/1990 Steamboat erupts 808 am - 1230 Cistern drained to ~ 6” below sinter that floats the edge of the pool. - 2000 pool of Cistern drained ~ 6-8 ft down – steam phase of Steamboat powerful |