Operating. . .
| Geyser: | Dark Cavern |
| Date/Time: | 1988-07-26 @ 1200 |
| Entrant: | research-mab |
| Observer: | 1988 Norris log |
| Time Entered: | 2023-11-21 16:14:17 |
| Time Uploaded: | 2023-11-21 16:14:17 |
| Submitted to: | Geysertimes.org |
| Note: | 7/26/1988 - no time noted - Dark Cavern has eruptions that clear the manganese oxide covered rocks by 5-8 feet, in addition to smaller eruptions. |