| Date: | 2019-08-04 |
| Time: | 1027 |
| Geyser: | Middle Sister |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2019-08-04 17:33:24 |
| Time Updated: | 2019-09-24 11:55:14 |
| Time Uploaded: | 2019-09-24 11:55:14 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | Geysertimes.org |
| Comments: | Yay! My first Middle Sister! 1 brief burst. See attachment. |
| Clips 1-16 of this video compilation (= beginning to time stamp 4:01) show Middle Sister Spring eruptions on 4 August 2019. | Entrant: JSJ Time Entered:2019-09-24 11:56:03 Time Uploaded:2019-09-24 11:56:03 Submitted to:Geysertimes.org |