Performing duty. . .
| Geyser: | Monarch |
| Date/Time: | 1975-08-28 @ 1201 |
| Entrant: | research-mab |
| Observer: | 1975 logbook |
| Time Entered: | 2022-06-30 14:24:57 |
| Time Updated: | 2023-12-11 15:06:00 |
| Time Uploaded: | 2023-12-11 15:06:02 |
| Submitted to: | Geysertimes.org |
| Note: | 8-28-1975 no time noted Monarch Geyser – Again noticed increased activity in the usually less active vent- boiling was higher, more widespread. |