| Date: | 1975-05-18 |
| Time: | 1030 A |
| Geyser: | Dark Cavern |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 10m |
| Standardized Duration: | 10m |
| Time Entered: | 2017-09-02 06:32:32 |
| Time Uploaded: | 2019-05-13 21:44:55 |
| Entrant: | research-mab |
| Observer: | 1975 Log |
| Submitted to: | Geysertimes.org |
| Comments: | w Ledge and Valentine |