Operating. . .
| Geyser: | Dark Cavern |
| Date/Time: | 1973-10-01 @ 1700 |
| Entrant: | research-mab |
| Observer: | 1973 log |
| Time Entered: | 2017-09-09 12:34:35 |
| Time Uploaded: | 2017-10-02 14:45:06 |
| Submitted to: | Geysertimes.org |
| Note: | 10/01/1973 Porcelain Basin 5:00 pm Dark Cavern interval shortening to about 20 min more water than recent and steam not as powerful. |