Operating. . .
| Geyser: | Dark Cavern |
| Date/Time: | 1986-10-09 @ 1200 |
| Entrant: | research-mab |
| Observer: | MA Moss Disturbance memo to Hutchinson Oct 9 1986 |
| Time Entered: | 2023-12-27 08:16:34 |
| Time Uploaded: | 2023-12-27 08:16:34 |
| Submitted to: | Geysertimes.org |
| Note: | 10/09/1986 – no time noted - Dark Cavern Geyser erupted to about 3’ in height, didn’t have enough time to get an interval. |