| Date: | 1990-06-18 |
| Time: | 1130 |
| Geyser: | Dark Cavern |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 10m |
| Standardized Duration: | 10m |
| Time Entered: | 2017-07-24 00:27:31 |
| Time Uploaded: | 2019-05-13 21:38:09 |
| Entrant: | research-mab |
| Observer: | Geo box 8 - 1990 log |
| Submitted to: | Geysertimes.org |
| Comments: | at least 10 ft above the top of the formation |