Calculating. . .
| Geyser: | Middle Sister |
| Date/Time From: | 2021-05-26 @ 1800 |
| Date/Time To: | 2021-05-26 @ 1858 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Time Entered: | 2021-05-26 21:33:36 |
| Time Uploaded: | 2021-05-26 21:33:36 |
| Submitted to: | |
| Note: | In very light roiling and/or light bubbling at 1800. Small, brief doming at 1858. |