| Date: | 1999-07-23 |
| Time: | 1627 |
| Geyser: | Dark Cavern |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 16m |
| Standardized Duration: | 16m |
| Time Entered: | 2017-07-03 21:38:23 |
| Time Uploaded: | 2019-05-13 21:41:58 |
| Entrant: | research-mab |
| Observer: | GEO Box 8 Echinus Logbook- '98-'01 |
| Submitted to: | Geysertimes.org |
| Comments: | 16m water-5 min steam |