Performing duty. . .
| Geyser: | Dark Cavern |
| Date/Time: | 1979-09-11 @ 1200 |
| Entrant: | research-mab |
| Observer: | 1979 Norris log |
| Time Entered: | 2023-12-03 06:27:46 |
| Time Uploaded: | 2023-12-03 06:27:46 |
| Submitted to: | Geysertimes.org |
| Note: | Sept 11 1979 -no time noted - Temps taken in Porcelain this AM - Dark Cavern during minor play 198° - steam vent (west vent) 199° minor play occurring every few minutes |